Grievous reaches the launch platform where his ship is situated
After battling droids in the main hangar bay and the elevators, the duo arrive at the general's quarters, where Palpatine is being held.
However, the two are then confronted by Count Dooku and in the ensuing duel, Obi-Wan is knocked out and Anakin brutally kills Dooku by running him through with his lightsaber.
The pair then escape with Palpatine but are recaptured and brought before Grievous on the ship's bridge.
They escape as the ship turns upside down and fight off Grievous' bodyguards while the general escapes and Anakin manages to save everyone during a crash landing on Coruscant.
Obi-Wan journeys to Utapau in search of General Grievous and confronts him after he dispatches the Separatist council to the planet of Mustafar.
Obi-Wan then duels Grievous as the clones invade and battle the droids.
Grievous reaches the launch platform where his ship is situated, but Obi-Wan runs through him in the chest and kills him.
Meanwhile, on Coruscant, Anakin discovers Mace Windu preparing to execute Palpatine, who he has discovered is in fact the Sith lord Darth Sidious, in his office.
Anakin intervenes and duels Windu, both of them jumping from the office to a platform below before Windu force pushes Anakin away and leaps back inside.
However, Anakin follows and finally defeats the exhausted Jedi master by stabbing him and kicking him out of star wars Revenge the Sith.
Palpatine then takes Anakin under his wing; Anakin becomes the Sith lord Darth Vader and is ordered by Palpatine to wipe out all of the Jedi in the Jedi Temple.
Darth Vader and an army of clone troopers make their way to the Temple, where after he kills librarian Jocasta Nu. Vader attacks the Jedi and the massacre begins.
Vader finds and engages Serra Keto in battle, and ultimately prevails when she is crushed by a falling statue. He is then confronted by Keto's master, Cin Drallig whom he also duels.
The two wind up outside of the temple, where Vader impales Drallig through the chest.
Across the galaxy, the clones turn on the Jedi and murder them. Obi-Wan evades them and escapes from Utapau after being relentlessly hunted by both clones and droids alike.
Vader, still following Palpatine's orders, goes to Mustafar with the intention to wipe out the Confederacy leaders.
He is greeted on the landing platform by several Neimoidian aides and strikes them down, which is witnessed by the leaders in the main control room.
Vader advances through the facility, murdering the guards sent to terminate him after the leaders realize that Palpatine has betrayed them.
Vader cuts the door down and force pushes it away; crushing Poggle the Lesser to death.
He then pursues the rest of the council into the conference room, where he kills Wat Tambor and two others as Viceroy Nute Gunray flees and locks the door behind him.
Gunray's second in command, Rune Haako, begs Vader for mercy, but is mercilessly struck down.
Vader then follows Gunray outside, as the Viceroy is attempting to escape in his gunship.
Vader attacks the ship, causing it to crash into the molten lava below, killing Gunray.
Meanwhile, on Coruscant, Obi-Wan & Yoda raid the ruins of the Jedi Temple,
clearing out as many clones as they can and are shocked when they discover security recordings of Anakin becoming a Sith lord.
The recording also reveal star wars Revenge the Sith, so Obi-Wan heads to Mustafar to confront him.