Questlove and Boyz II Men will also contribute to the milestone episode.
Plus, Boyz II Men will also sing a new version of 'The Simpsons' iconic opening theme tune.
After 3rd Rock from the Sun, Lithgow seamlessly moved between television, film and theater, starring in series like Dexter ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results