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The Wonder Twins' sailboat plunges down a whirlpool that leads to an underground world.
The Wonder Twins' sailboat plunges down a whirlpool that leads to an underground world.
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Challenge of the Super Friends
S3 "Battle at the Earth's Core"The Wonder Twins' sailboat plunges down a whirlpool that leads to an underground world.
Challenge of the Super Friends
S3 "The World's Deadliest Game"Brainiac devises a plot to steal the world's national treasures.
Challenge of the Super Friends
S1, EP1 "The Power Pirate"Anthro, an alien from the planet Traum, tries to trick the Superfriends into helping him steal the Earth's energy.
Challenge of the Super Friends
S3 "Sinbad and the Space Pirates"Space pirates use a hypnotic ray on Wonder Woman.
Challenge of the Super Friends
S7, EP6 "The Prisoners of Sleep; An Unexpected Treasure; The Malusian Blob"Superman and Batman unintentionally release a prisoner who traps them in a dream world; astronauts pick up what they think is space junk.
Challenge of the Super Friends
S7, EP5 "The Return of the Phantoms; Bully for You; Superclones"Phantom Zone criminals are inadvertently freed; Brainiac clones Aquaman and El Dorado.
Challenge of the Super Friends
S7, EP4 "Revenge of Doom; A Pint of Life; Day of the Dino"Villains plan to revive the Hall of Doom; the Hall of Justice sinks into the Earth.
Challenge of the Super Friends
S7, EP3 "The Krypton Syndrome; Invasion of the Space Dolls; Terror on the Titanic"Superman travels back in time and saves Krypton; space dolls take over world; algae brings Titanic to life.
