The Batman Beyond Project:

Set fifteen years after the conclusion of the Batman Beyond series, the truth of Terry’s life was revealed. Amanda Waller, head of a genetic engineering project funded by the government believe that a Batman will always be needed not only in Gotham but also the world. Because of these Project Batman Beyond was set in motion, where Amanda uses the Cadmus nanotechnology and a sample of Bruce’s DNA to produce a virus that will pattern Bruce’s trauma and DNA to Terry. The virus was injected to Terry’s father and an assassin was hired to kill Terry’s parents. The assassin was Bruce’s former fiancé, as she remember what the tragedy made Bruce’s sacrifices, she aborted the assassination. But the death of Terry’s father started the new Batman saga as Terry tried his very best to stop crimes in Gotham City. In the end of the episode Terry propose a marriage to her girlfriend Dana. The end of Batman Beyond shows the life that Bruce never has as Terry do his part as a family man and a superhero at the same time.