Following their apparent defeat in Part 1, the Teen Titans regroup to launch a relentless counterattack against Terra and Slade's forces.

The Season 2 finale of the animated series Teen Titans , titled " Aftershock - Part 2 ," originally premiered on August 21, 2004. It serves as the conclusion to the "Terra Arc," focusing on the tragic redemption of the earth-moving hero Terra. Plot Summary

: While the other Titans battle Ternion and Slade’s robots, Beast Boy confronts Terra in Slade’s lair. He eventually convinces her that she always has a choice. Turning on her master, Terra uses her powers to knock Slade into a pool of lava, seemingly killing him.

: To stall the other Titans, Slade combines three of his previous monsters—Cinderblock, Overload, and Plasmus—into a single massive entity called Ternion.