Batman learns he has a violent, unruly pre-teen son, secretly raised by the terrorist group known as The League of Assassins.
Not streaming on a subscription service in the US right now.
Starring Jason O'Mara, Stuart Allan, Thomas Gibson, Morena Baccarin, Giancarlo Esposito, David McCallum, Xander Berkeley, Sean Maher, Dee Bradley Baker, Diane Michelle