Star Wars: The Clone Wars

Season 3

Episode 12: Nightsisters

Darth Sidious, troubled by Ventress's growing prowess with the dark side of the Force, commands Count Dooku to eliminate her. When Ventress survives Dooku's assassination attempt, the jilted former apprentice vows to take revenge, enlisting her kinswomen -- the Nightsisters of Dathomir -- in her scheme.