Funny women playing nerdy teenage boys is something of a trend. Following the two woman leading the cast of “Pen15,” here’s Nasim Pedrad as “Chad” (TBS, 10:30 p.m.), a Persian boy in his first year of high school. The talented former “SNL” star also wrote, produced and was showrunner for the new comedy. 

The second two hours of “Hemingway” (PBS, 8 p.m., check local listings) covers his relationship with bullfighting, his third wife Martha Gelhorn (voiced by Meryl Streep), the Spanish Civil War, World War II and “For Whom the Bell Tolls.” The series concludes Wednesday.

“Soul of a Nation” (ABC, 10 p.m.) ends its brief run. 

Randall seeks out a new kind of support network on “This is Us” (NBC, 9 p.m.).

On “NCIS” (CBS, 9 p.m.), a Covid compliance unit links to a murder case. 

The nine remaining grooming teams on “Pooch Perfect” (ABC, 8 p.m.) turn dogs into geometric shapes, which seems kind of cruel. 

“The Flash” (CW, 8 p.m.) gets stuck in a time loop back in 1998. 

Mom comes to visit “Kenan” (NBC, 8:30 p.m.).

“Supergirl” (CW, 9 p.m.) faces a new challenge.

Alicia buys a new Louis Vuitton bag on “Mixed-ish” (ABC, 9:30 p.m.).