Ep 1. How Long Is Forever?

In the season 2 premiere of Teen Titans titled "How Long Is Forever?", the team is thrown into the future after a fight with the villainous Mad Mod. They find themselves 20 years into the future, where they discover that their future selves have gone their separate ways.

Robin has become Nightwing and runs his own team, Beast Boy has been stuck in his animal form for years, Raven has become emotionless and cold, Cyborg has left the team to lead a normal life, and Starfire has returned to her home planet.

As the team tries to find a way back to their present day, they also try to figure out what happened in the 20 years they were gone. They learn that a villain named Warp is responsible for sending them to the future and that he has been manipulating their future selves.

Throughout the episode, the team struggles with the idea of their future selves and how they could end up so different. Robin, in particular, is forced to confront his fear of becoming like Batman, as Nightwing is shown to be more brooding and less willing to work with others.

The episode also introduces a new character, a young girl named Kole, who has powers over crystal and is being hunted by Warp. The team must protect her and find a way to defeat Warp in order to get back to their present day.

Overall, "How Long Is Forever?" is a thrilling episode that explores the idea of futures that could have been and the importance of staying true to oneself. It sets the tone for the rest of the season, which continues to delve into the characters' pasts and futures.