Super Friends Challenge of the Super Friends Episode 5 Battle at the Earth's Core 1978
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While sailing with Captain Pierre Marcel, the Wonder Twins and Gleek get sucked in a whirlpool. After receiving a distress call from the Wonder Twins, the rest of the Super Friends search for the twins, only to get pulled in the whirlpool themselves. They emerge in a Wonder Land that is below the Earth's crust. The Super Friends must now search for the Wonder Twins and rescue them.
- Released: 1978-09-23
- Runtime: 60 minutes
- Genre: Animation, Sci-Fi & Fantasy
- Stars: Danny Dark, Adam West, Casey Kasem, Mark L. Taylor, Frank Welker
- Director: Alex Toth, Iwao Takamoto, Gardner Fox, William Moulton Marston, Jerry Siegel
- Source: CWR-CRB
