Star Wars: The Clone Wars Season 4 Episode 19

Count Dooku is determined to have revenge against the Nightsisters of Dathomir after their betrayal with Savage Opress. General Grievous launches an all-out droid attack against the magic-wielding witches, and Mother Talzin trys to convince Asajj Ventress to rejoin the Nightsisters after she left years ago. Ventress and Mother Talzin lead the defense with all the dark powers at their command.