Barry Allen meets Kid Flash, Wally West! This is the first appearance of Kid Flash, who later assumes his mentor's mantle after CRISIS ON INFINITE EARTHS. This issue also features the first appearance and origin of the Weather Wizard in "Challenge of the Weather Wizard!"
The first Silver Age appearance of Golden Age Flash and the first mention of an Earth-2 where Golden Age heroes live! Barry Allen appears at the Community Center in Central City to perform for kids, and during one of his amazing tricks is mysteriously tra
This issue features the first appearance and use of the Cosmic Treadmill--which allows the Flash to precisely travel through time--in the story "The Conquerors of Time," where the Flash fights for the future as Kid Flash battles in the past.
A comet strikes the sun, endangering Earth-2 with radiation. Meanwhile, Barry and Iris attend a costume party on Earth 1, and the proceeds are stolen by Captain Cold. Two crimes, two Flashes! Jay Garrick and Barry Allen once again join forces as the Flash of Two Worlds!
The Flash faces multiple members of his Rogues Gallery--including Captain Cold, Captain Boomerang, Mirror Master, the Pied Piper, Heat Wave and the Top--in the dastardly tale 'The Gauntlet of the Super-Villains!'