TV Rating: TV-Y TV Rating (Canada): C First Episode Date: Febuary 17, 2008 Last Episode Date: October 20, 2017 Channels (International): Nickelodeon, NickToons, Jetix, TheCW & Kids' WB! (2019-present) Channels (UK): CBBC, BBC3 Channels (Poland): Polsat Kids, TVP1 Channels (US): Nick@Nite,G4 Channels (Canada): YTV Channels (Brazil): Discovery Kids, Rede Globo Channels (South Korea): Tooniverse, EBS 2 Channels (China): Youku Channels (Japan): WOWOW, Fuji Television
