The backstory of F. Murray Abraham’s character C.W. Longbottom provides a one-off episode on “Mythic Quest” (Apple TV+, streaming), in which Josh Brener (Nelson “Big Head” Bighetti on “Silicon Valley”) portrays the young sci-fi writer in Los Angeles. 

“High School Musical: The Musical: The Series” (Disney+, streaming) is hit by a blizzard.

Emma auditions for the play on “Big Shot” (Disney+, streaming). 

“Dateline” (NBC, 9 p.m.) looks at a Texas love triangle that ended in murder.

David Attenborough and scientist Johan Rockström look at climate and biodiversity in the nature documentary “Breaking Boundaries: The Science of Our Planet” (Netflix, streaming). 

A second and final season starts for “Feel Good” (Netflix, streaming), with Mae and George still coming to terms with their relationship.

The South Korean romantic flick “Sweet & Sour” (Netflix, streaming) is about a couple trying to balance love, work and long-distance connection.

Another new rom-com is from South Africa. “Trippin’ with the Kandasamys” (Netflix, streaming) is about Indian best friends turned in-laws who go on a couples getaway to rekindle their marriages. It’s a sequel to the South African hit “Keeping Up with the Kandasamys.”

In the Spanish action thriller “Xtreme” (Netflix, streaming), a retired hit man takes revenge on his lethal stepbrother. 

Angie Harmon narrates the six-episode documentary series “Cellmate Secrets” (Lifetime, 10 p.m.) that promises new details to famous true crime cases, starting with Casey Anthony, whose case is rehashed on the two hour special that precede it, “Prosecuting Casey Anthony – Enhanced Edition” (Lifetime, 8 p.m.).

The unscripted “Emergency Call” (ABC, 8 p.m.) returns with new rescue calls, including a mother and children stuck on the roof and teenage girls escaping a possible kidnapper. 

John Kasich, Chris Matthews and Rep. Ritchie Torres are on a new “Real Time with Bill Maher” (HBO, 10 p.m.). 

Fallon looks to repair her image on “Dynasty” (CW, 9 p.m.).

A two hour “20/20” (ABC, 9 p.m.) looks into new details in a “Gone Girl” case. 

Liz, Red and Dembe are forced to work together to survive an attack from Townsend on “The Blacklist” (NBC, 8 p.m.). 

On “Gold Rush” (Discovery, 8 p.m.), Dave pitches a return to Lynx Creek. 

Zeke asks his brother for help on “Bering Sea Gold” (Discovery, 9 p.m.).

The star of “Mama June: From Not to Hot” (WEtv, 9 p.m.) contemplates jail time. 

A trek to D.C. is interrupted by a military attack on “Van Helsing” (Syfy, 10 p.m.). 

A Jane Austin triple feature on Turner Classic Movies has “Sense and Sensibility” (8 p.m.) and “Persuasion” (10:30 p.m.), both from 1995, and the 1940 “Pride and Prejudice” (12:30 a.m.). A couple of weird movies about dolls, “Magic” (2:45 a.m.) and “Dolls” (4:45 a.m.), follow.

Earlier today is a salute to Rosalind Russell, born this day in 1907, with “They Met in Bombay” (7:45 a.m.), “The Velvet Touch” (9:15 a.m.), “Live, Love and Learn” (11 a.m.), “Rendezvous” (12:30 p.m.), “The Feminine Touch” (2:15 p.m.), “Sister Kenny” (4 p.m.) and “Night Must Fall” (6 p.m.).  

Daytime Talk

Kelly Ripa and Ryan Seacrest: Jenna Elfman, tom Jones, Tara Royer Steele, Ali Wentworth. The View: Sinéad O’Connor, Giada De Laurentiis. The Talk: Joan Allen, Michael Cimino, Jerry O’Connell, Jaime Camil. Ellen DeGeneres: Lisa Kudrow, Mae Martin, Thuso Mbedu, Kym Douglas. Drew Barrymore: Jennifer Garner, Dr. Aliza Pressman (rerun). Kelly Clarkson: Alex Morgan, Erin Andrews, Chiney Ogwumike, Jessica Mendoza (rerun). Tamron Hall: Aaron Sánchez, Bryan Ford, Mackenzie Smith (rerun). Wendy Williams: Eva Majrcille. The Real: Annie Potts, Tiffany Aliche (rerun). 

Late Talk

Stephen Colbert: Gayle King, BTS (rerun). Jimmy Kimmel: DJ Khaled, Florence Pugh, Foursheé. Jimmy Fallon: Anna Kendrick, Wayne Federman, Masked Wolf (rerun). Seth Meyers: Dave Grohl, Siwe, Foo Fighters, Mario Duplantier. (Rerun). James Corden: Bear Grylls, Middle Kids (rerun). Lilly Singh: Natalie Wynn (rerun).