The glee club launches their hotly anticipated production of Grease as Rachel and Kurt pay a visit to Lima in this new episode. Kate Hudson guest stars as Cassandra July, who shakes things up for Rachel. Fox/Global, 8 p.m.
For once, Liz decides to put her own needs ahead of those of TGS, thanks to some advice from Jack. Meanwhile, Jack seeks revenge on Tracy for depicting him as a villain in his latest project. NBC/Citytv, 7 p.m.
Jay Leno: Tim Allen, Nolan Gould
David Letterman: Zooey Deschanel, Donald Fagen
George Stroumboulopoulos: Jason Priestley
Craig Ferguson: Max Greenfield, Lucy Punch
Jimmy Fallon: Katie Holmes, Russell Peters
The Daily Show: Andrew Napolitano
Jimmy Kimmel: Mel Brooks, Jake Tapper
Conan O'Brien: Kellan Lutz, Jimmy Pardo