The Zillo Beast

"Zillo Beast" is the 18th episode of Season Two of the Star Wars: The Clone Wars television series. It is scheduled to air on April 3, 2010 in the UK and on April 9 in the US.

Official description
Chancellor Palpatine's devastating new super-weapon awakens a monstrous creature on Malastare and it's up to the Jedi to contain it.