Today we bring the excellent news that tonight’s new Star Wars: The Clone Wars is the first of another four-part arc, and we’ve already told you a bit about what – or rather, who – is coming…

Star Wars: The Clone Wars returns with an epic four-episode arc that leads into the season finale, and return of the universe’s most notorious Sith.

This week, in “Massacre,” Count Dooku is determined to have revenge against the Nightsisters of Dathomir after their betrayal. General Grievous launches an all-out droid attack against the magic-wielding witches, and Mother Talzin and Asajj Ventress lead the defense with all the dark powers at their command.

“Massacre,” airs at 8:00 p.m. ET/PT Friday, February 24th on Cartoon Network.

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Star Wars: The Clone Wars airs Fridays at 8/7c on Cartoon Network.