Going along with the new preview clip that's been posted at the main site, the preview version of the episode guide for "The Citadel" (S3 Ep. 18) is now online as well. The synopsis for the episode is as follows...
"With help from R2-D2 and a squad of captured battle droids, an elite team of Jedi and clone troopers led by Obi-Wan and Anakin attempt to free a captive Jedi general, Even Piell, from an impenetrable prison."
We'll be sure to update when the full version of the guide goes online.
UPDATE: As promised, here's your reminder that the episode guide for "The Citadel" (S3 Ep. 18) has been expanded. Full episode and video commentary will follow on Monday.