Rising - [s2e8] Titan

In this episode, the character Terra returns to the team, claiming she has gained better control over her earth-manipulating powers.

It explains why the original team disbanded and why Dick Grayson carries so much guilt regarding Slade Wilson. Titans recap: Season 2, Episode 8 - Entertainment Weekly [S2E8] Titan Rising

This episode is a flashback that reveals the tragic history of the original Titans and their relationship with Jericho , Deathstroke’s son. In this episode, the character Terra returns to