Star Wars: The Clone Wars - Season 4 Episode 4 -

"Shadow Warrior" Anakin, Padme and Jar Jar uncover a plot by the Gungan "shaman" Rish Loo to trick the Gungans into aiding the Separatists in an assault on Naboo. However, as the charade unravels, can Jar Jar convince the Gungan army that they've been deceived? However shortly after General Grievous arrives, demanding to know why the attack was cancelled. Jar Jar, disguised as the Gungan leader, manages to lure Grievous into a trap in which he is captured, but Dooku manages to capture Anakin, who is chasing after Rish Loo. Now Dooku demand's the freedom of Grievous in exchange for Skywalker.