Data courtesy of the Grand Comics Database under Creative Commons license.

Issue Details

Issue	#80
Published	June-July 1973
Cover Price	0.20 USD
Pages	36
Editing	E. Nelson Bridwell

Cover Details - "The Thing That Came Out of the Sea"

Characters	Challengers of the Unknown [Kyle "Ace" Morgan; Matthew "Red" Ryan; Leslie "Rocky" Davis; Walter Mark "Prof" Haley]
Genre	adventure
Pencils	Nick Cardy
Inks	Nick Cardy

7 page Challengers of the Unknown story "The Day The Earth Blew Up"

Characters	Challengers of the Unknown [Kyle "Ace" Morgan; Matthew "Red" Ryan; Leslie "Rocky" Davis; Walter Mark "Prof" Haley]
Genre	Science Fiction; Adventure
Script	Jack Kirby
Pencils	Jack Kirby
Inks	Bruno Premiani
Reprinted	from Showcase (DC, 1956 series) #11 (November-December 1957)

6 page Challengers of the Unknown story "Chapter Two: The Tyrans"

Characters	Challengers of the Unknown [Kyle "Ace" Morgan; Matthew "Red" Ryan; Leslie "Rocky" Davis; Walter Mark "Prof" Haley]
Genre	Science Fiction; Adventure
Script	Jack Kirby
Pencils	Jack Kirby
Inks	Bruno Premiani
Reprinted	from Showcase (DC, 1956 series) #11 (November-December 1957)

6 page Challengers of the Unknown story "Chapter Three: The Thing That Came Out of the Sea"

Characters	Challengers of the Unknown [Kyle "Ace" Morgan; Matthew "Red" Ryan; Leslie "Rocky" Davis; Walter Mark "Prof" Haley]
Genre	Science Fiction; Adventure
Script	Jack Kirby
Pencils	Jack Kirby
Inks	Bruno Premiani
Reprinted	from Showcase (DC, 1956 series) #11 (November-December 1957)

5 page Challengers of the Unknown story "Chapter Four: One Minute To Doom"

Characters	Challengers of the Unknown [Kyle "Ace" Morgan; Matthew "Red" Ryan; Leslie "Rocky" Davis; Walter Mark "Prof" Haley]
Genre	Science Fiction; Adventure
Script	Jack Kirby
Pencils	Jack Kirby
Inks	Bruno Premiani
Reprinted	from Showcase (DC, 1956 series) #11 (November-December 1957)