Batman: The Dark Knight Returns (film) arrested. Injured, Batman returns to the Batcave with Kelley, and allows her to become his protégée in spite of protests from his butler, Alfred Pennyworth. Batman has Kelley disguise herself as a Mutant, and she lures the gang to a sewer outlet at the West River. At the Gotham City Police Department, the Mutant leader murders the mayor during negotiations. Commissioner Gordon deliberately releases the leader, providing an escape from the building, which leads to the sewer outlet. Before the amassed Mutants, Batman fights the leader in a mud pit; the mud slows the leader, removing his physical advantage, and
Batman: The Animated Series Batman Adventures" premiered on Kids' WB, airing alongside "" as part of an hour-long program titled "The New Batman/Superman Adventures". Cartoon Network aired reruns of "Batman: The Animated Series" from March 2, 1998, to 2004. On July 3, 2000, the series was added to Cartoon Network's Toonami line-up. In 2005, reruns of the series were aired on Cartoon Network's sister channel Boomerang. The series later began airing on Toon Disney's Jetix line-up on September 30, 2007, again alongside "Superman: The Animated Series" (despite Warner Bros. being one of Disney's biggest competitors). The show aired on Teletoon Retro (a Canadian broadcasting