The Glee Project couldn’t have picked a better guest mentor for the fourth episode “Dance Ability.” Airing Sunday, July 10 at 9:00 pm ET/PT, Harry Shum Jr. (Glee’s Mike Chang) will be the surprise guest to mentor the remaining contenders on their dance moves. This week The Glee Project viewers will also be able take part in a watch-and-win sweepstake during the episode, see below for more information.