Revenge of the Sith (Dimensional Universe)

The opening crawl reveals that the galaxy is in the midst of the Clone Wars. Chancellor Palpatine has been kidnapped by the Separatists' second-in-command, General Grievous. Jedi Knight Anakin Skywalker and Jedi Master Obi-Wan Kenobi lead a mission to rescue him. General Kenobi is leading a battalion of clones to engage the enemy fighters. After dodging missle and destroying buzz droids that attempt to destroy General Kenobi's Jedi Starfighter, Anakin and Obi-Wan make their way on to the Separatist Cruiser, the two Jedi ignite their lightsabers and destroy the droids in the hangar leaving R2D2 begind for orders. Anakin and Obi-Wan eventually encounter and engage the evil Sith Lord Count Dooku during which, Obi-Wan is out of action and Anakin's anger causes him to eventually sever Dooku's hands. After Anakin kills the Sith Lord by scissoring his head with two lightsabers, the two Jedi free the Chancellor, and they attempt to escape, but are captured by General Grievous. Anakin and Obi-Wan manage to break free using there lightsabers to wipe out the droid pilots and magna-gaurds who used metallic shock-sticks but Grievous escapes and traps the Jedi and the Chancellor inside the severely damaged cruiser. Anakin is forced to crash-land the ship on one of Coruscant's landing tracks.

Upon his return, Anakin is reunited with his wife, Padmé Amidala, who tells him that she is pregnant. Despite Padmé's worries over their secret marriage, Anakin is overjoyed at this news, and the couple makes plans to raise their child on the planet Naboo. However, Anakin is troubled by visions of Padmé dying in childbirth, visions similar to those he had of his mother just before she died. Later, Obi-Wan privately tells Anakin that the Council wants him to spy on the Chancellor because they believe him to be corrupt, an order Anakin resents since the Chancellor has become a mentor to him. As the Chancellor's bodyguard, Anakin develops a close friendship with Palpatine, who subtly manipulates Anakin in their discussions, making him distrust the Jedi. Palpatine claims to know of an ability to prevent death.

Obi-Wan is sent to Utapau, where he engages and kills General Grievous. Meanwhile, back on Coruscant, Palpatine reveals himself to Anakin as the Sith Lord Darth Sidious, who has been controlling the Republic and the Separatist movement. Anakin leaves to expose him to the Jedi Council. Jedi Master Mace Windu arrives at the Chancellor's office shortly thereafter and eventually subdues Sidious in a lightsaber duel. Just as Anakin arrives, Windu is about to kill Sidious. Anakin quickly disarms Windu, believing Sidious holds the only way to save his wife. Windu is consumed by Sidious' torrents of Force lightning, throwing him out a window to his death. Anakin then submits to the dark side of the Force and becomes Sidious' Sith apprentice: Darth Vader. He then orders Vader to kill all Jedi within the Jedi Temple, then to go to the Mustafar system and eliminate the Separatist leaders.

Darth Sidious orders clone troopers across the galaxy to turn against their Jedi Generals by enacting a pre-programmed directive, Order 66. Numerous Jedi across the galaxy are seen being exterminated, although both Yoda and Obi-Wan survive. Darth Vader slaughters all the children in the Jedi Temple. Afterwards, he goes to Padmé and tells her the Jedi have attempted to take over the Republic and leaves for Mustafar, where he slaughters the Separatist leaders. Senator Bail Organa rescues Obi-Wan and Yoda, and brings them to the Jedi Temple before heading to the Senate building. Sidious (as Palpatine) informs the Senate of a Jedi plot to overthrow the Republic. As a result, he announces that the Republic will be reorganized into the Galactic Empire. In the Jedi Temple, Obi-Wan and Yoda stand in shock over the bodies of the younglings and reconfigure a signal to warn all Jedi to keep away. Obi-Wan looks into the security recordings and, to his horror, sees a hologram of Vader carrying out the orders of Darth Sidious and kneeling to him. Though he initially refuses, Obi-Wan eventually agrees to find and kill Anakin. Obi-Wan then meets with Padmé, who refuses to believe his claims about Anakin's fall to the dark side. When she departs for Mustafar, Obi-Wan secretly stows away onboard.

When the couple is reunited, Padmé pleads with Vader to leave public life with her, but he refuses, believing that he can overthrow Sidious so that he and Padmé can rule the galaxy together. Vader sees Obi-Wan emerge from Padmé's ship, and suspects her of betraying him. Enraged, he uses the Force to choke Padmé into unconsciousness. Obi-Wan and Vader break into a vicious lightsaber duel. The duel brings them out of the facility to unprotected areas of the volcano planet. Obi-Wan eventually gains the advantage of higher ground, and when Vader attempts to attack again, Obi-Wan slices off both of his legs and his left arm in two swift cuts. Vader tumbles down the embankment and rolls to a stop at the edge of the lava. He catches on fire, sustaining near-fatal burns and severe lung damage. Obi-Wan leaves Mustafar with Padmé and Vader's lightsaber, leaving Vader to die. While Obi-Wan and Vader are dueling, Yoda is confronting Emperor Palpatine in a lightsaber duel. Yoda and Darth Sidious both use the force while dueling. Sidious claims that his apprentice is more powerful than any Jedi and Sith together. Sidious has the upper hand and defeats Yoda by using Force Lightning. Yoda falls into the pit. Believing Yoda to be dead, Sidious senses that his apprentice Darth Vader is in trouble and commands his troops to set off to Mustafar to rescue Vader. A moment after Vader's defeat, Sidious rescues Vader and sends his troops to revive his apprentice.

Padmé is given medical assistance. Despite being in a physically healthy condition, her will to live is gone. She manages to deliver twins, a boy and a girl, and names them Luke and Leia, respectively. With her final breaths, she insists to Obi-Wan that there is still good in Anakin; Padmé then dies. On Coruscant, Vader's missing limbs and damaged body parts are replaced by cybernetic prostheses and implants. Vader is put into a full suit of black armor and is sealed in a respirator mask, which will allow him to survive his injuries. When Vader asks Sidious about Padmé's condition, he tells Vader that, in his anger, Vader himself killed Padmé. Vader unleashes a furious scream of mournful rage and destroys droids and equipment throughout the room with the Force while Sidious looks on with an evil grin. Aboard the Tantive IV, Obi-Wan, Yoda, and Bail Organa agree to keep the children hidden and separated. Obi-Wan and Yoda will watch and wait until the time is ready for the Skywalker children to do their part in the battle against the Sith. Vader and Sidious oversee the construction of the first Death Star. Leia is taken to Alderaan to live with the Queen and Bail Organa, and Luke is transferred to Tatooine to live with Owen and Beru. The film concludes with Owen and Beru holding Luke while staring out over the desert at Tatooine's twin suns.