Ep 1. Trigon

Upon waking up from a nightmare, Rachel discovers that her father Trigon has arrived on Earth and is on a mission to reign hell on Earth. She quickly contacts the rest of the Titans who come together to stop Trigon from achieving his goals and taking over the world.

As she struggles to come to terms with Trigon's arrival, Rachel realizes that he has complete control over her and the only way to defeat him is to confront him directly. With the help of Dick Grayson, who has temporarily hung up his vigilante gear to help her fight, Rachel faces her father head-on and discovers the extent to which he has manipulated and controlled her life.

Meanwhile, Kory, who has lost all of her memories, stumbles upon a dangerous and mysterious conspiracy that threatens her life and the security of the Titans. As she races against time to uncover the truth, Kory realizes that she may be the only one who can stop Trigon and save the world.

As the Titans come together to save humanity from Trigon's wrath, they are forced to confront their deepest fears and emotions. Relationships are tested and bonds are broken as the team fights to stay united in the face of seemingly insurmountable odds.

The episode is a thrilling and action-packed start to the second season of Titans, with plenty of drama and suspense to keep viewers on the edge of their seats. It brings together all of the key characters in the Titans universe and sets the stage for an epic battle between good and evil that will have far-reaching consequences for the entire world.