Published: July 1965
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A passing comet causes the people of the town of Thunder Valley to devolve into cavemen.
Burt Morrow finds a small alien creature in the woods that gives him the means to destroy a rampaging monster that appears shortly thereafter.
During a violent storm, Martin Freemont's telephone reaches another dimension where he talks to an alien in danger and they each advise the other on how to survive.
"Only Showcase dares..."
house ad for Showcase (DC, 1956 series) #57, on sale May 27
house ad for 80 Page Giant (DC, 1964 series) #12 on the page between page 5 and page 6 of the previous story sequence
"When Peter Wilson was still a small boy..."
Back cover.
Inside back cover.
On the page between page 5 and page 6 of the previous story sequence.
"For the very best..."
On the page between page 4 and page 5 of the previous story sequence.
Inside front cover.
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