Star Wars: The Clone Wars (2008)

S1E16 The Hidden Enemy

Anakin Skywalker and Obi-Wan Kenobi spearhead the Republic's efforts to vanquish the droid armies and liberate Christophsis from the clutches of the Separatists. However, when they fall into an ambush that forces a hasty retreat, it becomes evident that a mole is within their ranks. Suspecting a Sith connection, the Jedi venture deep into enemy territory to uncover the truth. Simultaneously, Captain Rex and Commander Cody embark on their own mission to identify the traitor hiding among them.