Ken Jeong and David Cross

When Community's Greendale gang learns that Professor Hickey (Jonathan Banks) wasn't invited to his grandson's birthday party, they befriend his son Hank (David Cross) and use a game of Dungeons & Dragons to reunite the ­estranged family.

"The relationship between Hickey and Hank is really the heart and soul of the episode," says Ken Jeong, who says he was "star struck" acting opposite Arrested Development's Cross on the NBC comedy's March 20 episode.

Subscribe to TV Guide Magazine now!