Taraji P. Henson and Keegan-Michael Key Join 'The Simpsons' First-Ever Hourlong Episode

The special episode will debut in January.
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Taraji P. Henson, Keegan-Michael Key

In its 28th season on the air, The Simpsons is still drawing high-profile names.

In a special one-hour episode of the animated comedy set to debut in January, Taraji P. Henson and Keegan-Michael Key will lend their talents.

Dana Walden, co-chairman and CEO of Fox Television Group, made the announcement Monday at the Television Critics Association's summer press tour. She also revealed that Amy Schumer will guest voice on all of Fox's animated series this year.

Titled "The Great Phatsby," the Simpsons episode follows Mr. Burns (Harry Shearer) as he tries to relive his glory days and crosses paths with a mysterious music mogul. After being conned by him and reduced to bankruptcy, Mr. Burns seeks revenge on the music producer with the help of Homer, Bart, rapper Jazzy James (Key) and the mogul’s ex-wife, Praline (Henson).

Season 28 of the Fox staple will kick off on Sunday, Sept. 25, with the all-new episode "Monty Burns’ Fleeing Circus," in which Springfield is burned to the ground, and the Simpsons beg Mr. Burns to fund its rebuilding. He agrees but with one condition — he gets to put on a variety show at the Springfield Bowl.

The series’ record-setting 600th episode is set to air Sunday, Oct. 16, with a classic "Treehouse of Horror XXVII" episode. In it, Mr. Burns introduces a Hunger Games-style contest in which Springfield’s children must fight each other; and Lisa’s imaginary best friend becomes jealous of Lisa’s real best friends.

Joked executive producer Al Jean: "I just pray it won’t be the last thing people see before a Trump inauguration."