According to the New York Times, Peter Mayhew will be appearing in two episodes of the Clone Wars as Chewbacca the Wookiee. The article also includes a clip from the episode, of Ahsoka and other Jedi coming across the tall, lanky Wookiee.
7-foot-plus-tall Mayhew has performed Chewbacca in every movie appearance for the character going back to the original Star Wars, lending a unique body language to the character's performance.
The article shows Mayhew with Clone Wars showrunner Dave Filoni, discussing the finer points of the infamous sidekick character.
The 1-hour Season Finale airs on April 1st on Cartoon Network.