This page is part of the SuperFriends timeline, or a chronology of events that took place in the SuperFriends Universe -- Earth-1A (fan name) / Earth-Thirty-Two (official designation) of the DC Multiverse.
Superman read this book when he, Green Lantern and the Flash time traveled to the 120th century, which was how they learned that the Legion of Doom took over the Earth, as well as the rest of the galaxy in the year 3984.
- ↑ As seen in the Superfriends season 1 episode Conquerors of the Future (1978).
- ↑ As seen in Conquerors of the Future (1978).
- ↑ As seen in the Super Friends comic story: Superman and the Flash: "Race to the End of Time!" (1978).