The Simpsons is getting super-sized on FOX. After 28 seasons on the air, the series is airing its first one-hour long episode, and it will feature a long list of guest voices.

FOX revealed that the episode will feature the voice talents of Taraji P. Henson, Keegan-Michael Key, Snoop Dogg, Common and RZA.

FOX released both a sneak peek and details of the episode. The episode description is as follows:

“In the first-ever one-hour episode of THE SIMPSONS, featuring Emmy Award nominee Taraji P. Henson (EMPIRE), Snoop Dogg, Common and RZA as guest voices, Mr. Burns (Harry Shearer) tries to relive his glory days, and crosses paths with a mysterious music mogul. After being conned by him and reduced to bankruptcy, Burns seeks revenge on the music producer with the help of Homer, Bart, rapper Jazzy James (guest voice Keegan-Michael Key) and the mogul’s ex-wife, Praline (guest voice Taraji P. Henson), along with Snoop Dogg, Common and RZA (guest-voicing as themselves). Also in the episode, Lisa (Yeardley Smith) is courted by the richest kid in town, Smithers (Shearer) begins a perilous journey and Marge (Julie Kavner) opens an obscure boutique store in the all-new “The Great Phatsby,” special one-hour episode of THE SIMPSONS airing Sunday, Jan. 15 (8:00-9:00 PM ET/PT) on FOX.”

Check out the sneak peek released by FOX below. The episode will air on January 15. Are you a fan of The Simpsons? Are you excited for their first extended episode? Tell us what you think.