Speaking of serial killer, a nurse makes a grim confession on “Living with a Serial Killer” (Oxygen, 9 p.m.). 

“Masters of Illusion” (CW, 9 p.m.) features magicians that include Ed Alonzo, Chris Funk and Joel Myers. 

Summer’s extremes are explored in “Africa’s Wild Year” (BBC America, 8 p.m.). 

“Dr. Jeff: Rocky Mountain Vet” (Animal Planet, 8 p.m.) is stumped by a dog’s obscure illness. 

An armed felon interrupts practice at the police firing range on “Lone Star Law” (Discovery, 8 p.m.). 

“Sneakerella” (Disney, 8 p.m.), a twist on the Cinderella story that also includes songs, and premiered on Disney+ in May, makes its cable debut.  

The rowing team drama “The Novice” (Showtime, 8 p.m.) with Isabella Fuhrman makes its premium cable debut. 

Two previously married people who want to get married again have to first convince families on “Family or Fiancé” (OWN, 8 p.m.). 

“On Patrol: Live” (Reelz, 9 p.m.) has been successful enough to warrant “On Patrol: First Shift” (Reelz, 8 p.m.). 

It seems like Turner Classic Movies saves its biggest names in its Summer Under the Stars for the weekends. Today, the spotlight falls on Marlon Brando, in “The Teahouse of the August Moon” (6 a.m.), “Julius Caesar” (8:15 a.m.), “Mutiny on the Bounty” (10:30 a.m.), “Guys and Dolls” (1:45 p.m.), “The Chase” (4:30 p.m.), “A Streetcar Named Desire” (8 p.m.), “The Wild One” (10:15 p.m.), “Viva Zapata!” (Midnight), “Reflections in a Golden Eye” (2 a.m.) and “The Formula” (4 a.m.) as well as a documentary “Meet Marlon Brando” (7 p.m.). 

Baseball includes Yankees at Red Sox (Fox, 7 p.m.) one more time.

Preseason football has Kansas City at Chicago (NFL, noon), Indianapolis at Buffalo (NFL 3 p.m.), Seattle at Pittsburgh (NFL, 6 p.m.) and Dallas at Denver (NFL, 8 p.m.).

Canadian football includes British Colombia at Calgary (ESPN2, 7 p.m.). 

NACAR runs the playoff race of the Camping World Truck Series (Fox Sports 1, 8 p.m.) in Richmond, Va.

Terry Allen plays “Austin City Limits” (PBS, 11 p.m., check local listings).