Showcase Presents Challengers of the Unknown #Volume 1

DC Comics
United States
- Published
- [October] 2006
- Page count
- 548
- Cover price
- 16.99 USD; 22.99 CAD
- Colour
- Black & white
- Format
- Comic series
- GCD
- www.comics.org/issue/321191
Credits
- Editing
- Whitney Ellsworth (original editor)
Jack Schiff (original editor)
Bob Joy (editor collected edition)
Issue contents

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Colours
- Alex Sinclair
- Letters
- typeset
Reprint history
- First print
-
Showcase (DC, 1956 series) #12 (January-February 1958)
- From GCD
- from Showcase (DC, 1956 series) #12.
Notes
Many of the credits given in this volume have been corrected, using the GCD and other sources.

Credits
- Letters
- typeset

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby (plot, script)
Dave Wood (script rewrite) - Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby - Letters
- Ben Oda
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby (plot, script)
Dave Wood (script rewrite) - Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby - Letters
- Ben Oda
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby (plot, script)
Dave Wood (script rewrite) - Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby - Letters
- Ben Oda
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby (plot, script)
Dave Wood (script rewrite) - Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby - Letters
- Ben Oda
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- First print
-
Showcase (DC, 1956 series) #7 (March-April 1957) — ULTIVAC Is Loose!
- Also printed
-
All Favourites, The 100-Page Comic (Colour Comics, 1958 series) #4 ([February 1958?]) — Ultivac Is Loose Part 2: A Challenger Must Die Part 3: The Fearful Millions Part 4: The Fatal Prediction
-
Challengers of the Unknown (DC, 1958 series) #75 (August-September 1970) — Ultivac Is Loose!
-
All Favourites Comic (Colour Comics, 1960 series) #82 ([January 1971?]) — ULTIVAC Is Loose! [Chapter One]
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — ULTIVAC Is Loose! [Chapter 1]
- From GCD
- from Showcase (DC, 1956 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Bruno Premiani
Reprint history
- Based on
-
Showcase (DC, 1956 series) #11 (November-December 1957) — The Day the Earth Blew Up
-
Challengers of the Unknown (DC, 1973 series) #80 (June-July 1973) — The Day The Earth Blew Up
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Day the Earth Blew Up [Chapter 1]
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #3 ([January 1958?]) — The Day the Earth Blew Up
- Also printed
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #109 ([May 1974?]) — The Day Earth Blew Up [Chapter 1]
-
The Essential Showcase 1956-1959 (DC, 1992 series) ([November] 1992) — The Day the Earth Blew Up
- From GCD
- from Showcase (DC, 1956 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Bruno Premiani
Reprint history
- Based on
-
Showcase (DC, 1956 series) #11 (November-December 1957) — The Tyrans
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #3 ([January 1958?]) — The Tyrans: Chapter Two
- Also printed
-
Challengers of the Unknown (DC, 1973 series) #80 (June-July 1973) — Chapter Two: The Tyrans
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #109 ([May 1974?]) — The Tyrans Chapter Two
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Tyrans [Chapter 2]
- From GCD
- from Showcase (DC, 1956 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Bruno Premiani
Reprint history
- Based on
-
Showcase (DC, 1956 series) #11 (November-December 1957) — The Thing That Came Out of the Sea
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #3 ([January 1958?]) — The Thing That Came Out of the Sea: Chapter Three
- Also printed
-
Challengers of the Unknown (DC, 1973 series) #80 (June-July 1973) — Chapter Three: The Thing That Came Out of the Sea
-
Challengers of the Unknown (DC, 1973 series) #80 (June-July 1973) — The Thing That Came Out of the Sea
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #109 ([May 1974?]) — The Thing That Came Out of the Sea Chapter Three
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Thing That Came Out of the Sea [Chapter 3]
- From GCD
- from Showcase (DC, 1956 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Bruno Premiani
Reprint history
- Based on
-
Showcase (DC, 1956 series) #11 (November-December 1957) — One Minute to Doom
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #3 ([January 1958?]) — One Minute To Doom: Chapter Four
- Also printed
-
Challengers of the Unknown (DC, 1973 series) #80 (June-July 1973) — Chapter Four: One Minute To Doom
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #109 ([May 1974?]) — One Minute to Doom Chapter Four
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — One Minute to Doom [Chapter 4]
- From GCD
- from Showcase (DC, 1956 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Marvin Stein?
Reprint history
- From GCD
- from Showcase (DC, 1956 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- George Klein
- Letters
- Artie Simek
Reprint history
- Based on
-
Showcase (DC, 1956 series) #12 (January-February 1958) — Menace of the Ancient Vials
-
All Favourites Comic (Colour Comics, 1960 series) #84 ([May 1971?]) — The Menace of the Ancient Vials Part 2: The Fire Being Part 3: The Demon From the Depths Part 4: The Deadly Duplicates
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #4 ([March 1958?]) — The Menace of the Ancient Vials! Chapter 1
- Also printed
-
Challengers of the Unknown (DC, 1958 series) #77 (December 1970-January 1971) — Menace of the Ancient Vials!
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — Menace of the Ancient Vials [Chapter 1]
- From GCD
- from Showcase (DC, 1956 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- George Klein
- Letters
- Artie Simek
Reprint history
- Based on
-
Showcase (DC, 1956 series) #12 (January-February 1958) — The Fire Being
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #4 ([March 1958?]) — The Menace of the Ancient Vials: Chapter 2: The Fire Being!
- Also printed
-
Challengers of the Unknown (DC, 1958 series) #77 (December 1970-January 1971) — Chapter Two: The Fire Being!
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Fire Being [Chapter 2]
- From GCD
- from Showcase (DC, 1956 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- George Klein
- Letters
- Artie Simek
Reprint history
- Based on
-
Showcase (DC, 1956 series) #12 (January-February 1958) — Demon from the Depths
- Printed in
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #4 ([March 1958?]) — The Menace of the Ancient Vials: Chapter 3: The Demon From the Depths
- Also printed
-
Challengers of the Unknown (DC, 1958 series) #77 (December 1970-January 1971) — Chapter Three: The Demon From the Depths!
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — Demon from the Depths [Chapter 3]
- From GCD
- from Showcase (DC, 1956 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- George Klein
- Letters
- Artie Simek
Reprint history
- Based on
-
Showcase (DC, 1956 series) #12 (January-February 1958) — The Deadly Duplicates
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #4 ([March 1958?]) — The Menace of the Ancient Vials: Chapter 4: The Deadly Duplicates!
-
All Favourites Comic (Colour Comics, 1960 series) #40 ([December 1963?]) — The Deadly Duplicates
- Also printed
-
Challengers of the Unknown (DC, 1958 series) #77 (December 1970-January 1971) — Chapter Four: The Deadly Duplicates!
- Printed in
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Deadly Duplicates [Chapter 4]
- From GCD
- from Showcase (DC, 1956 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #1.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Wally Wood?
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #1.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #1.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #1 (April-May 1958) — The Human Pets
- Also printed
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #105 ([January 1974?]) — The Human Pets
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Human Pets
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #1.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #2.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- Based on
-
Challengers of the Unknown (DC, 1958 series) #2 (June-July 1958) — The Traitorous Challenger
- Printed in
-
The Hundred Comic Monthly (Colour Comics, 1956 series) #28 ([January 1959?]) — The Traitorous Challenger
- Also printed
-
Challengers of the Unknown (DC, 1958 series) #76 (October-November 1970) — The Traitorous Challenger
-
All Favourites Comic (Colour Comics, 1960 series) #83 ([March 1971?]) — The Traitorous Challenger
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Traitorous Challenger
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #2.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #2 (June-July 1958) — The Monster Maker
- Also printed
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #9 ([January 1959?]) — The Monster Maker
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #111 ([July 1974?]) — The Monster Maker
-
Super Heroes Album (Murray, 1977 series) #12 ([April 1979]) — The Monster Maker
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 1 ([July] 2003) — The Monster Maker
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #2.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Jack Kirby
Roz Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #3.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #3 (August-September 1958) — The Secret of the Sorcerer's Mirror
- Also printed
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #9 ([January 1959?]) — The Secret of the Sorcerer's Mirror
-
Challengers of the Unknown (DC, 1958 series) #76 (October-November 1970) — Secret of the Sorcerer's Mirror
-
All Favourites Comic (Colour Comics, 1960 series) #88 ([January 1972]) — The Secret of the Sorcerer's Mirror
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Secret of the Sorcerer's Mirror

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Reprint history
- Based on
-
Challengers of the Unknown (DC, 1958 series) #3 (August-September 1958) — The Menace of the Invincible Challenger
- Printed in
-
The Hundred Comic Monthly (Colour Comics, 1956 series) #30 ([March 1959?]) — The Menace of the Invincible Challenger
- Also printed
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Menace of the Invincible Challenger
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #3.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #4.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Wally Wood?
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #4 (October-November 1958) — The Wizard of Time
- Also printed
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Wizard of Time: Chapter I
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Men Who Rode Across the Sun: Chapter II
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Sorcerer's Sect: Chapter III
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Mechanical Judge: Chapter IV
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Wizard of Time: Chapter 1
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Mechanical Judge
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Sorcerer's Sect
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Men Who Rode Across the Sun: Chapter 2
-
All Favourites Comic (Colour Comics, 1960 series) #87 ([November 1971?])
-
All Favourites Comic (Colour Comics, 1960 series) #87 ([November 1971?]) — The Wizard of Time Part 2: The Men Who Rode Across the Sun Part 3: The Sorcerer's Sect Part 4: The Mechanical Judge
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Wizard of Time
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #4.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Wally Wood?
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #4 (October-November 1958) — The Wizard of Time
- Also printed
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Wizard of Time: Chapter I
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Men Who Rode Across the Sun: Chapter II
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Sorcerer's Sect: Chapter III
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Mechanical Judge: Chapter IV
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Wizard of Time: Chapter 1
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Mechanical Judge
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Sorcerer's Sect
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Men Who Rode Across the Sun: Chapter 2
-
All Favourites Comic (Colour Comics, 1960 series) #87 ([November 1971?]) — The Wizard of Time Part 2: The Men Who Rode Across the Sun Part 3: The Sorcerer's Sect Part 4: The Mechanical Judge
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Wizard of Time
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #4.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Wally Wood?
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #4 (October-November 1958) — The Wizard of Time
- Also printed
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Wizard of Time: Chapter I
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Men Who Rode Across the Sun: Chapter II
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Sorcerer's Sect: Chapter III
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Mechanical Judge: Chapter IV
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Wizard of Time: Chapter 1
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Mechanical Judge
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Sorcerer's Sect
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Men Who Rode Across the Sun: Chapter 2
-
All Favourites Comic (Colour Comics, 1960 series) #87 ([November 1971?]) — The Wizard of Time Part 2: The Men Who Rode Across the Sun Part 3: The Sorcerer's Sect Part 4: The Mechanical Judge
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Wizard of Time
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #4.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
- Pencils
- Jack Kirby
- Inks
- Jack Kirby?
Roz Kirby
Wally Wood?
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #4 (October-November 1958) — The Wizard of Time
- Also printed
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Wizard of Time: Chapter I
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Men Who Rode Across the Sun: Chapter II
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Sorcerer's Sect: Chapter III
-
Mighty The 100-Page Comic! (Colour Comics, 1957 series) #10 ([March 1959?]) — The Mechanical Judge: Chapter IV
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Wizard of Time: Chapter 1
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Mechanical Judge
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Sorcerer's Sect
-
Super DC Giant (DC, 1970 series) #S-25 (July-August 1971) — The Men Who Rode Across the Sun: Chapter 2
-
All Favourites Comic (Colour Comics, 1960 series) #87 ([November 1971?]) — The Wizard of Time Part 2: The Men Who Rode Across the Sun Part 3: The Sorcerer's Sect Part 4: The Mechanical Judge
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Wizard of Time
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #4.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #5.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #5.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #5.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #5.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
Jack Kirby - Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- Also printed
-
All Favourites, The 100-Page Comic (Colour Comics, 1958 series) #13 ([May 1959?])
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Ed (France) Herron
Jack Kirby - Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #6 (February-March 1959) — The Sorceress of Forbidden Valley
- Also printed
-
The Hundred Comic Monthly (Colour Comics, 1956 series) #34 ([July 1959?])
-
The Hundred Comic Monthly (Colour Comics, 1956 series) #34 ([July 1959?]) — The Sorceress of Forbidden Valley
-
Challengers of the Unknown (DC, 1973 series) #78 (February 1973) — The Sorceress of Forbidden Valley
-
Superman Presents World's Finest Comic Monthly (Colour Comics, 1965 series) #99 ([July 1973?]) — The Sorceress of Forbidden Valley
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Sorceress of Forbidden Valley
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #6.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Jack Kirby
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
Ed (France) Herron - Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby
Ed (France) Herron - Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #7 (April-May 1959) — Isle of No Return
- Also printed
-
The Hundred Comic Monthly (Colour Comics, 1956 series) #36 ([September 1959?]) — The Isle of No Return
-
Challengers of the Unknown (DC, 1973 series) #78 (February 1973) — The Isle Of No Return
-
Superman Presents World's Finest Comic Monthly (Colour Comics, 1965 series) #103 ([November 1973?]) — The Isle of No Return
-
Super Heroes Album (Murray, 1977 series) #13 ([July 1979?]) — The Isle of No Return
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Isle of No Return
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #7.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #8.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood
Jack Kirby - Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #8.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Jack Kirby?
- Pencils
- Jack Kirby
- Inks
- Wally Wood
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #8 (June-July 1959) — The Prisoners of Robot Planet
- Also printed
-
The Hundred Comic Monthly (Colour Comics, 1956 series) #37 ([October 1959?]) — The Prisoners of Robot Planet
-
Challengers of the Unknown Archives (DC, 2003 series) #Volume 2 ([May] 2004) — The Prisoners of the Robot Planet
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #8.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #9.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #9.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Pencils
- Bob Brown
- Inks
- Wally Wood?
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #9.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #10.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #10.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #10.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Bob Brown
- Inks
- Jack Adler (wash)
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Art
- Bob Brown
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #11 (December 1959-January 1960) — The Creatures from the Forbidden World, Chapter 1
- Also printed
-
Mighty Comic (Colour Comics, 1960 series) #58 ([April 1967?]) — The Creatures From the Forbidden World Part 2: The Land Beyond the Light Part 3: The Achilles Heel
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #11.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Bob Brown
- Letters
- ?
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Art
- Bob Brown
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #12 (February-March 1960) — The Three Clues to Sorcery
- Also printed
-
The Brave and the Bold (DC, 1955 series) #115 (October-November 1974) — The Three Clues to Sorcery
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #119 ([March 1975?]) — The Three Clues to Sorcery
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #12.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #13.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #13.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Pencils
- Bob Brown
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #13 (April-May 1960) — The Creatures from the Past
- Also printed
-
All Favourites Comic (Colour Comics, 1960 series) #20 ([August 1960?]) — The Creatures from the Past
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #13.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #14.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron
- Art
- Bob Brown
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #14 (June-July 1960) — The Man Who Conquered the Challengers
- Also printed
-
The Brave and the Bold (DC, 1955 series) #113 (June-July 1974) — The Man Who Conquered the Challengers
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #117 ([January 1975?]) — The Man Who Conquered the Challengers
-
Super Heroes Album (Murray, 1977 series) #14 ([November 1979?]) — The Man Who Conquered The Challengers
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #14.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Art
- Bob Brown
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #14 (June-July 1960) — Captives of the Alien Beasts
- Also printed
-
All Favourites Comic (Colour Comics, 1960 series) #21 ([October 1960?]) — Captives of the Alien Beasts
-
Superman Presents World's Finest Comic Monthly (KG Murray, 1974 series) #107 ([March 1974?]) — Captives of the Alien Beasts
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #14.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #15.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Art
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #15.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Art
- Bob Brown
Reprint history
- First print
-
Challengers of the Unknown (DC, 1958 series) #15 (August-September 1960) — The Lady Giant and the Beast
- Also printed
-
All Favourites Comic (Colour Comics, 1960 series) #22 ([December 1960]) — The Lady Giant and the Beast
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #15.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #16.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #16.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- France Ed Herron?
- Pencils
- Bob Brown
Reprint history
- Also printed
-
The Hundred Plus Comic (Colour Comics, 1959 series) #52 ([December 1960?])
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #16.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #17.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- George Kashdan?
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #17.

Featuring
- Feature
- Challengers of the Unknown
- Genre
- Adventure
- Characters
- Challengers of the Unknown
Credits
- Script
- Dave Wood?
- Pencils
- Bob Brown
Reprint history
- From GCD
- from Challengers of the Unknown (DC, 1958 series) #17.
Notes
Many of the credits given in this volume have been corrected, using the GCD and other sources.
Indicia
The indicia for this issue is not recorded. The identified publisher might be an associated or parent company, rather than the specific listed publisher.