Star Wars, The Clone Wars

The Separatists unleash a terrifying new weapon on Republic-held systems: an enormous starship, the Starcrusher, destroying every ship sent against it. Yoda agrees to a risky plan to stop it, and assembles a Jedi strike force that includes Obi-Wan Kenobi, Mace Windu, and Ki-Adi-Mundi. Too late, the Jedi realise its a trap!