Conan (11 p.m., TBS) - Ryan Gosling; Kevin Hart; ZZ Ward.
Late Show With David Letterman (11:35 p.m., CBS3) - Michael J. Fox; Lena Dunham.
Jimmy Kimmel Live (11:35 p.m., 6ABC) - Dr. Mehmet Oz; Chris Paul and Blake Griffin.
The Tonight Show With Jay Leno (11:35 p.m., NBC10) - Ryan Seacrest, Keith Urban and Randy Jackson; Anthony Jeselnik; For King & Country.
The Late Late Show With Craig Ferguson (12:35 a.m., CBS3) - Tim Allen; Margaret Cho.
Late Night With Jimmy Fallon (12:35 a.m., NBC10) - 30 Rock cast members; John Cale performs.
