Star Wars: The Clone Wars - Season 2 Episode 21 -

Anakin Skywalker and Mace Windu are trapped in the crumbling ruins of a crashed ship while searching for survivors, and only R2-D2 can get out a message to save them—if he can elude vicious gundarks and, worse yet, a crew of determined bounty hunters led by Boba Fett and Aurra Sing.