McLeod (guest star Michelle Forbes) tries to push Boden into early retirement as his future with Firehouse 51 hangs in the balance in this new episode. Also, when it becomes obvious who the mole is, no one hides their disdain for him. NBC/Global, 9 p.m.
Marvel's Agents of S.H.I.E.L.D.
In the new episode The Girl in the Flower Dress, a mysterious young woman may be the key to a mystery that brings the S.H.I.E.L.D. team to Asia. Meanwhile, Skye's relationship with the team is jeopardized by a surprising secret. ABC/CTV, 7 p.m.
Beautiful Kenneth Hahn Park serves as the backdrop for this new episode. There, the artists must choose magical Norse runes, which they'll use to inspire a dark elf warrior character. McKenzie Westmore hosts as special-effects makeup artists compete. Space, 8 p.m.
George Stroumboulopoulos: Michael Bolton
Jay Leno: Kristin Chenoweth, Joan Jett & the Blackhearts
David Letterman: Tom Hanks, Two Door Cinema Club
Jimmy Kimmel: Al Gore, Michael Franti
Craig Ferguson: Queen Latifah, John Lloyd
Jimmy Fallon: Johnny Knoxville, Hailee Steinfeld
The Daily Show: Malcolm Gladwell
Conan O'Brien: Michael C. Hall, Jeb Corliss