to play as a supervillain rather than as a superhero, they will be a part of the Legion of Doom, which meets in a large headquarters that is at the bottom of the ocean (similar to how the Legion's headquarters are on the show), with supervision by Noah Cuttler, a.k.a. the Calculator. References Featured link Challenge of the Super Friends at Big Cartoon DataBase Cartoon Network: DOC – Challenge of The Superfriends – cached copy from Internet Archives External links Challenge of the Super Friends @ Legions of Gotham 1978 American television series debuts 1978 American television series endings 1970s American animated television series 1970s American science fiction television series American animated television spin-offs American children's animated action television series American children's animated adventure television series American children's animated science fantasy television series American children's animated superhero television series American Broadcasting Company original programming English-language television shows Animated television shows based on DC Comics Television series by Hanna-Barbera Television series set in 1978 Television series set in the 4th millennium Animated Batman television series Animated Justice League television series Animated Superman television series Wonder Woman in other media Super Friends