(All times Eastern.)
Riverdale (CW at 8) Veronica figures out Hiram has been hiding a big secret from her and tensions increase between Jughead and FP. It’s the show’s midseason finale, like the three others on this list...
Dynasty (CW at 9) Two new arrivals throw the Carrington’s holidays plans into dissaray.
Modern Family (ABC at 9) Luke and Alex come up with a business scheme.
Designated Survivor (ABC at 10) President Kirkman sends Emily and Aaron to deal with extremists who refuse to evacuate during a forest fire.
Golden Globes 75th Anniversary Special (NBC at 9) “Will & Grace” stars Eric McCormack and Debra Messing highlight the award show’s best moments.
The Fake News with Ted Nelms (Comedy Central at 10) Former “Daily Show” correspondent Ed Helms delivers a fake news broadcast full of satire.
The Librarians (TNT at 8) The show about a group who protects ancient artifacts is back for season 4.
Little Women: Atlanta (Lifetime at 9) Season 4 premiere.
Mr. Robot (USA Network at 10) Elliot’s attempt to save Darlene hits a snag.
The A-Word (Sundance TV at 10) The family comes together for an end-of-the-year show at Joe’s old school.
Conan (TBS at 11) Owen Wilson, Noah Gardenswartz.
Daily Show (Comedy Central at 11) Satya Nadella.
Fallon (NBC at 11:34) Michael Shannon, Alison Brie, Jaboukie Young-White.
Colbert (CBS at 11:35) Nick Jonas, Dennis Rodman, Jeezy, Tory Lanez.
Kimmel (ABC at 11:35) Terry Bradshaw, Yvette Nicole Brown, John Legend, Sheila E.
Corden (CBS at 12:37) Dwayne Johnson, Jack Black, Tim Minchin.
Meyers (NBC at 12:37) Sarah Paulson, Judd Apatow, Grant Morrison.