"Secret of the Lost Continent"
Rip Hunter and his friends journey through time to ask Alexander the Great if he can give them proof that Atlantis existed.
"Doctor Rocket"
It would seem the good doctor has invented a clairvoyant machine.
Chapter 2: "The Forbidden Island"
"Mystery of the Lost Lands"
One page text story.
Chapter 3: "The Doomed Continent"
"Peter Puptent Explorer"
Peter has a run in with a shadow monster.
"Science Says You're Wrong if You Believe That"
Four one-panel features on light, height, fish and rainfall.