Dancing With the Stars (ABC at 8) The couples perform Halloween-themed routines.
Supergirl (CW at 8) Kara and Alex discover an alien fight club run by a villain known as Roulette.
The Voice (NBC at 8) The knockout round continues with advisers Tim McGraw and Faith Hill.
Gotham (Fox at 8) Jim Gordon is led on an insightful psychedelic trip after coming in contact with a substance carried by the Mad Hatter.
Two Broke Girls (CBS at 8) Max gives Caroline the college party experience she never had.
Jane the Virgin (CW at 9) Will Jane finally lose her virginity? Maybe. One thing we know for sure: Gloria and Emilio Estefan make a cameo.
Timeless (NBC at 10) The team gets stranded at the Battle of the Alamo.
Brief Encounters (Acorn TV streaming) This six-episode British dramedy follows four women who experience a sexual awakening in 1980s England after becoming saleswomen for a lingerie and personal-toys company.
POV: What Tomorrow Brings (WETA and MPT at 10) This one-hour film goes inside the first school for girls in a remote Afghan village and explores its significance in a community under threat from the Taliban.
Street Outlaws (Discovery at 9) Season 5.
All Access Nashville: Celebrating the CMA Awards (ABC at 10) Robin Roberts highlights memorable performances and moments from past broadcasts of the Country Music Awards, which air Wednesday.
Full Frontal (TBS at 10:30) Samantha Bee interviews President Obama.
Conan (TBS at 11) Sugar Hill Gang.
Fallon (NBC at 11:34) Jay Leno, Gabrielle Union, Big Sean.
Colbert (CBS at 11:35) Ruth Wilson, JB Smoove, Ghost Brothers.
Kimmel (ABC at 11:35) Kathy Griffin, Jacob Tremblay, Alice Cooper.
Corden (CBS at 12:37) Harry Connick Jr., Alice Eve, Lior Suchard.
Meyers (NBC at 12:37) Nathan Lane, Genevieve Angelson, Matt Zoller Seitz, Alan Sepinwall, Hannah Welton.