The saga of the missing colonists continues when Star Wars: The Clone Wars returns next Friday with the all-new episode, "Slaves of the Repulic" (S4 Ep. 12). Here's the synopsis from the SW.com episode guide:
"To locate the missing colonists, Anakin, Obi-Wan and Ahsoka go undercover to infiltrate the slavers on Zygerria. Anakin struggles with his emotions as a wily Zygerrian queen forces him to take questionable actions in order to carry out his mission.
Click here for screencaps, concept art, a preview video and the opening tag line.