Star Wars: The Clone Wars - Season 3 Episode 22 -

As Ahsoka and her allies struggle to evade the Trandoshan hunters, their efforts receive an unexpected boost when a new captive arrives: Chewbacca the Wookiee. Together, the younglings, Ahsoka and Chewie attack the Trandoshan fortress, and with the help of other Wookiee warriors, are able to kill a large number of Trandoshans. Ahsoka herself kills the Trandoshan leader Garnac with a powerful Force push.