What’s On Tonight: ‘The Alienist’ Uncovers A New Clue And ‘Supergirl’ Takes On Another Worldkiller

The Alienist (TNT, 9:00 p.m.) – New evidence uncovers a crucial missing piece of the case as Kreizler and Moore investigate what happened to him at the brothel and Sara tries to build a life outside of the case.

Supergirl (CW, 8:00 p.m.) – When the DEO captures another Worldkiller called Purity, Kara and Alex have employ very different methods of interrogation to extract information on how to destroy Reign. Unfortunately for them, Purity escapes custody and starts ravaging the city’s subway system.

Kevin Can Wait (CBS, 8:00 p.m.) – Vanessa is chosen to be featured in a magazine article celebrating entrepreneurs under 40, so, of course, Kevin lets his jealousy get the best of him and tries to sabotage her moment in the spotlight.

Lucifer (Fox, 8:00 p.m.) – Ella tries to prove her brother’s innocence when Chloe and Lucifer’s investigation into the murder of a diamond thief leads back to him.

The Bachelor (ABC, 8:00 p.m.) – Arie whisks the ladies to Paris where two bachelorettes are treated to a romantic boat ride down the Seine before Arie takes the rest of the group to visit the Moulin Rouge.

The Wall (NBC, 8:00 p.m.) – A pharmacist and her father from Upstate New York compete for cash prizes.

Man With a Plan (CBS, 8:30 p.m.) – After Andi and Adam agree to not exchange gifts on Valentine’s Day, Adam gives the present he intended for his wife to his mother instead.

Better Late than Never (NBC, 9:00 p.m.) – Season two ends with the guys bonding over a campfire in the Sahara Desert before having lunch in Marrakesh and reflecting on the end of their trip.

Superior Donuts (CBS, 9:00 p.m.) – Franco invites a legendary Black baseball player to share his story at the shop after Fawz begins exploiting Black History Month to make a buck.

The Resident (Fox, 9:00 p.m.) – Devon bonds with an elderly patient and Conrad sets out to fix his mistake when he accidentally delivers a death notice to the wrong family.

9JKL (CBS, 9:30 p.m.) – Season one ends with the family shocked to learn that Josh is considering reuniting with his ex after her juicy tell-all exposes secrets about them.

Scorpion (CBS, 10:00 p.m.) – The team has to cancel their Valentine’s Day plans after a doctor and helicopter pilot crash on top of a city skyscraper.

The Best of U.S. – The 2018 Winter Olympics (NBC, 10:00 p.m.) – NBC gives us a preview of the 2018 Olympic Winter Games from PyeongChang, South Korea, featuring the stories of star athletes Lindsey Vonn, Shaun White, Mikaela Shiffrin, Nathan Chen and more.

The Good Doctor (ABC, 10:00 p.m.) – Shaun treats a young cancer patient who identifies as a girl while being biologically male and is forced to truly understand her needs in order to best help her.

LATE NIGHT GUESTS

Jimmy Kimmel Live!: Clint Eastwood, Alek Skarlatos, Anthony Sadler & Spencer Stone, Cheat Codes featuring Fetty Wap

The Late Show With Stephen Colbert: Claire Danes, Bernadette Peters, Lil Uzi Vert

Late Night With Seth Meyers: Billy Eichner, China Anne McClain, Nafessa Williams, Bedouine, Alan Cage

The Late Late Show With James Corden: Margot Robbie, Domhnall Gleeson, Lo Moon

The Daily Show With Trevor Noah: Jessica Williams, Phoebe Robinson

Conan: Bill Burr, Chelsea Peretti, Seann Walsh