Flash uses the cosmic treadmill for the first time; he travels to the future to find Earth being attacked by an alien race called the Dorkis; Kid Flash braves the dangers of the past (more than 100 million years ago) in order to save Earth.
First Printing: Dec 1961
Writers: John Broome
Art: Carmine Infantino and Joe Giella
Cover: Carmine Infantino and Joe Giella
Key Issue Details:
- Debut of the Cosmic Treadmill, a device invented by Barry Allen that allowed time travel
- 1st team appearance of the Ornitho-Men, a race of creatures with avian bodies and human heads