The Rebels save Han Solo from Jabba the Hutt: Following Luke's plan, Leia infiltrates Jabba's palace and releases Han from his carbonite block. However, Jabba enslaves her, and later captures Luke and intends to throw Lando Calrissian, Chewbacca, and Han into a Sarlacc pit. A chaotic fight ensues, and Leia kills Jabba.
Yoda dies: Luke returns to Dagobah to finish his Jedi training but instead finds an ill and dying Yoda. He assures Luke that he simply needs to confront Darth Vader. Luke also discovers that Darth Vader truly is his father and that Leia is his twin sister, the other source of hope Yoda previously mentioned.
The Rebels arrive on Endor: Upon discovering that Emperor Palpatine is overseeing the construction of another Death Star, the Rebels travel to the Ewok-populated Endor to destroy a shield generator located there. Though initially aggressive, the Ewoks agree to help them fight the Empire.
Luke surrenders himself to Darth Vader: Luke meets with Darth Vader and tries to pull him back to the light side, while Vader tries to convert him to the dark. Both their attempts are futile.
Darth Vader gets redemption: Luke and Vader fight with lightsabers, resulting in Luke cutting off Vader's prosthetic right hand. Palpatine suggests Luke kill him and take his place, but Luke refuses. Palpatine then strikes Luke with Force lightning and Vader intervenes, kills Palpatine, and saves Luke. Mortally wounded in the process, Vader asks Luke to make off his mask, and the redeemed Anakin Skywalker dies peacefully.
The Death Star explodes, again: With Palpatine's death and the Rebel Alliance's destruction of the second Death Star, the Empire is finally defeated and the Rebels celebrate their victory.