Batman learns he has a violent, unruly pre-teen son, secretly raised by the terrorist group known as The League of Assassins.
- Genre: Animation, Action, Adventure
- Studio: DC Comics, Warner Bros. Animation, Warner Premiere, DC Entertainment
- Keyword: superhero, based on comic, robin, super power, father son reunion, dc animated movie universe
- Cast: Jason O'Mara, Stuart Allan, Thomas Gibson, Morena Baccarin, Giancarlo Esposito, David McCallum