All 18 species of penguins are featured in a special on the bird on “Nature” (PBS, 8 p.m., check local listings). 

Pork is the assignment on “Next Level Chef” (Fox, 9 p.m.).

A new “Nova” (PBS, 9 p.m.) looks into what animal poop can tell us. 

On the fast moving “Big Brother: Celebrity Edition” (CBS, 8 p.m.), there is a head of household competition whose winner will nominate two more houseguests for eviction. 

“The Amazing Race” (CBS, 9 p.m.) continues racing through Corsica, France.

LeAnn Rimes, Mario Cantone and Melissa Peterman are guest judges on “I Can See Your Voice” (Fox, 8 p.m.). 

The continuing “Jeopardy! National College Championship” (ABC, 8 p.m.) is followed by two episodes of “The Chase” (ABC, 9 p.m.). 

Weeknd prep continues with “Puppy Bowl Presents: Dog Bowl All Stars” (Animal Planet, 8 p.m.) and “Puppy Bowl XVII Presents: Puppy Bowl Nation” (Animal Planet, 9 p.m.). 

“The Real Housewives of Orange County” (Bravo, 9 p.m.) sees a runaway husband.

There’s an overnight practice cattle drive on “Relatively Famous: Ranch Rules” (E!, 9 p.m.). 

“Resident Alien” (Syfy, 9 p.m.) has a girls’ night.

A monster terrorizes the academy on “Astrid & Lilly Save the World” (Syfy, 10 p.m.).

Turner Classic Movies has a bunch of fight pictures tonight with “When We Were Kings” (8 p.m.), “Fat City” (9:45 p.m.), “Raging Bull” (11:30 p.m.), “The Set-Up” (1:45 a.m.) and “The Champ” (3:45 a.m.). During the day are the films of Kathryn Grayson, born this day in 1922, with “Thousands Cheer” (10:15 a.m.), “Lovely to Look At” (12:30 p.m.), “Seven Sweethearts” (2:30 p.m.), “Grounds for Marriage” (4:15 p.m.), and “Show Boat” (6 p.m.). 

Basketball includes Chicago at Charlotte (ESPN, 7:30 p.m.) and Golden State at Utah (ESPN, 10 p.m.).

Hockey has Nashville at Dallas (TNT, 8 p.m.) and Islanders at Vancouver (TNT, 10:30 p.m.). 

Men’s college hoops includes Houston at SMU (ESPN2, 7 p.m.), Xavier at Seton Hall (Fox Sports 1, 7 p.m.), Louisville at Notre Dame (ESPNU, 7 p.m.), Richmond at George Mason (CBS Sports, 7 p.m.), Texas Tech at Oklahoma (ESPNU, 9 p.m.), Tennessee at Mississippi State (ESPN2, 9 p.m.), Georgetown at DePaul (Fox Sports 1, 9 p.m.), Loyola Chicago at Bradley (CBS Sports, 9 p.m.), California at Oregon State (ESPNU, 11 p.m.) and San Diego State at San Jose State (CBS Sports, 11 p.m.). 

Daytime Talk

Kelly Ripa and Ryan Seacrest: David Diggs, Adrienne Cheatham. The View: Jennifer Lopez, Alyssa Farah. The Talk: Gugu Mbatha-Raw. Ellen DeGeneres: Jennifer Lopez. Drew Barrymore: Ilana Glazer, Deborah Norville. Kelly Clarkson: Kumail Nanjiani, Simu Liu. Tamron Hall: Charles Oakley, Maya Washington, Kelly Sue DeConnick. Wendy Williams: Syne Barrow, Fat Joe, Remy Ma. The Real: Michele Weaver, Cynthia Kaye McWilliams, Angela Rye, Nene Leakes. 

Late Talk

Stephen Colbert: Gayle King, Tig Notaro (rerun). Jimmy Kimmel: Julie Bowen, Murray Bartlett, PI Morton. James Corden: Sophia Bush, Aaron Sorkin, Japanese Breakfast (rerun). Trevor Noah: Frances Haugen.