The Yoda Chronicles, Attack of the Jedi

S1 E5: Obi-Wan discovers that several major Sith Lords and their apprentices are gathered on the lava planet Mustafar. The Jedi must hurry to destroy the Sith, but it's a trap -- and the Republic fleet is destroyed. Yoda, Anakin, and Padawans travel to Endor to find Jek-14, the enhanced clone who can turn the tide of the battle. All hope now rests on Jek-14 to come to the rescue.