According to a story in The Hollywood Reporter by Nellie Andreeva:

"Robot Chicken" creators Seth Green and Matthew Senreich are channeling their inner geeks with "Robot Chicken: Star Wars," a special for Adult Swim.

The 30-minute stop-motion animation special, directed by Green, spoofs key scenes and favorite characters from the "Star Wars" universe, including the sci-fi saga's creator, George Lucas. It was done in collaboration with Lucasfilm, and Lucas is on board to voice the animated version of himself.

Additionally, "Robot Chicken: Star Wars" will feature Mark Hamill as the voice of Luke Skywalker in one sketch and a voice cast that includes Conan O'Brien, Seth MacFarlane, Robert Smigel, Malcolm McDowell, Hulk Hogan, James Van Der Beek, Donald Faison, Abraham Benrubi, Breckin Meyer and Joey Fatone.

The special, from Green and Senreich's Stoopid Monkey Prods. and Alex Bulkley and Corey Campodonico's ShadowMachine Films, will premiere at 10 p.m. June 17 on Adult Swim, kicking off a best-of "Robot Chicken" marathon that will feature "Star Wars" reruns at the top of every hour. "

For the full story click here.

For a link to the Adult Swim Robot Chicken site, click here.

Here is another link to a story on StarWars.com.

Update: Click here and head over to Starwars.com to view a trailer for Robot Chicken: Star Wars.