What’s On Tonight: ‘The X-Files’ Takes On A Monster And ‘ACS: Versace’ Continues Its Killing Spree

The X-Files (Fox, 8:00 p.m.) – During a case involving two teenage girls who attack each other believing the other to be a monster, Mulder and Scully learn that the investigation could lead them closer to finding their son.

The Assassination of Gianni Versace: American Crime Story (FX, 10:00 p.m.) – Tonight’s episode documents the supposed “random” killing of Chicago real-estate tycoon Lee Miglin. Guys, if you’re not witnessing the underappreciated brilliance of Darren Criss, you’re missing out.

Riverdale (CW, 8:00 p.m.) – Veronica begins to worry about Archie’s increased involvement in her family’s business dealings as her confirmation looms while Chic helps Betty deal with her dark side and FP and Jughead team up to defend the Serpents.

The Amazing Race (CBS, 8:00 p.m.) – The teams are tasked with delivering kegs to a local party in Prague.

The Blacklist (NBC, 8:00 p.m.) – Liz begins to question Red’s motives when he offers to join her in the hunt for Tom’s killers and the Task Force uses one arsonist to catch another.

The Librarians (TNT, 8:00 p.m.) – When the team has trouble deciding who should tether themselves to Baird, the Library takes it upon itself to initiate The Trial of One, which reduces the Librarians to their most primal selves and abandons them in a landscape of their own nightmares.

grown-ish (Freeform, 8:00 p.m.) – Zoey’s faced with a life-changing decision after she’s put on the spot on national television.

Alone Together (Freeform, 8:30 p.m.) – Esther and Benji have very different experiences while waiting in line for a Kylie Cosmetics pop-up store.

9-1-1 (Fox, 9:00 p.m.) – The crew races to help a wedding party when disaster strikes and Abby enlists Buck’s helping in finding her mother.

SEAL Team (CBS, 9:00 p.m.) – Jason and the team are forced to move up their deployment date when the team they’re replacing is ambushed.

The Magicians (Syfy, 9:00 p.m.) – Quentin and Julia discover a dark secret tied to the history of Brakebills as a new enemy hunts Eliot.

Chicago P.D. (NBC, 10:00 p.m.) – The intelligence team works with a visiting detective to snuff out a gang from El Salvador using brutal tactics to control the city.

Corporate (Comedy Central, 10:00 p.m.) – The company decides to partner with a street artist who vandalized its buildings in order to make a profit off of protesters.

Criminal Minds (CBS, 10:00 p.m.) – When the New Orleans P.D. discovers a mass grave inside a vandalized crypt, the BAU is called into investigate.

Happy! (Syfy, 10:00 p.m.) – Sax and Happy find themselves at odds as Christmas creeps closer and the clock begins to count down on their chance to save Hailey from Very Bad Santa’s lair.

Knightfall (History, 10:00 p.m.) – Queen Joan plans her escape as Landry goes to the Temple Grand Master for help.

Match Game (ABC, 10:00 p.m.) — Jack McBrayer, Jane Krakowski, Ron Huebel, Ana Gasteyer, Jason Biggs, and Tichina Arnold serve on the panel tonight.

Full Frontal With Samantha Bee (TBS, 10:30 p.m.) – Sam covers everything Trump “forgot” to mention in his State of the Union.

LATE NIGHT GUESTS

Jimmy Kimmel Live!: Jamie Dornan, Danai Gurira, Russell Dickerson

The Tonight Show Starring Jimmy Fallon: Tom Selleck, Rita Ora, Liam Payne

The Late Show With Stephen Colbert: Rose McGowan, Sen. Rand Paul, Jacob Williams, Curtis Harding

Late Night With Seth Meyers: Dakota Johnson, Taylor Kitsch, Maggie Haberman, Nikki Glaspie

The Late Late Show With James Corden: Martin Short, Lisa Kudrow, Fall Out Boy

The Daily Show With Trevor Noah: Angela Rye