The Clone Wars: Threats from the Underworld (Currently Playing on Star Wars.com )

The Star Wars official site, is currently airing 5 episodes of TCW for free.  The episodes collected as "Threats from the Underworld," includes;

Episode 2.21: R2 Come Home
Episode 2.22: Lethal Trackdown
Episode 3.7 Assassin
Episode 3.8 Evil Plans
Episode 3.9 Hunt for Ziro


http://www.starwars.com/theclonewars/