Volume 1:
Galaxy Being (9/16/63)
Hundred Days of the Dragon (9/23/63)
The Architects of Fear (9/30/02)
The Man with the Power (10/7/63)
Sixth Finger (10/14/63)
The Man Who Was Never Born (10/28/63)
O.B.I.T. (11/4/63)
Human Factor (11/11/63)
Volume 2:
Corpus Earthling (11/18/63)
Nightmare (12/2/63)
It Crawled Out of the Woodwork (12/9/63)
The Borderland (12/16/63)
Tourist Attraction (12/23/63)
The Zanti Misfits (12/30/63)
The Mice (1/6/64)
Controlled Experiment (1/13/64)
Volume 3:
Don't Open Until Doomsday (1/20/64)
ZZZZZZ (1/27/64)
The Invisibles (2/3/64)
The Bellero Shield (2/10/64)
Children of the Spider County (2/17/64)
Specimen: Unknown (2/24/64)
Second Chance (3/2/64)
Moonstone (3/9/64)
Volume 4:
The Mutant (3/16/64)
The Guests (3/23/64)
Fun and Games (3/30/64)
The Special One (4/6/64)
A Feasibility Study (4/13/64)
Production & Decay of Strange Particles (4/20/64)
The Chameleon (4/27/64)
The Forms of Things Unknown (5/4/64)