The Wonder Twins appeared in what animated television series based on a DC Comics fictional superhero team?
Wonder Twins The Wonder Twins (Zan and Jayna) are a fictional extraterrestrial twin brother and sister superhero duo who first appeared in Hanna-Barbera's American animated television series "Super Friends". They subsequently appeared in comics based on the animated series, and were later introduced into the main DC Comics Universe. They have since appeared in other media, including animated series such as "Justice League Unlimited" and "Teen Titans Go!", and the live-action TV series "Smallville".
Challenge of the Super Friends Challenge of the Superfriends is an American animated television series about a team of superheroes which ran from September 9, 1978, to December 23, 1978, on ABC. The complete series (16 episodes) was produced by Hanna-Barbera Productions for Warner Bros. Television and is based on the Justice League and associated comic book characters published by DC Comics and created by Julius Schwartz, Gardner Fox and Mike Sekowsky. It was the third series of "Super Friends" cartoons, following the original "Super Friends" in 1973 and "The All-New Super Friends Hour" in 1977. It continues to air on Boomerang from Cartoon Network in the United States until February 2, 2009.