The agreeable mystery comedy “Only Murders in the Building” (Hulu, streaming) returns for its third season with Steve Martin, Martin Short and Selena Gomez blending their penchant for true crime podcasts with investigating actual murders. The victim this season is a Hollywood action star making his Broadway debut, played by Paul Rudd. Another one of the stars of the show in question is no less than Meryl Streep. Looks like another amusing season.
A new report on “Frontline” (PBS, 10 p.m., check local listings) looks at the uprisings in Iran caused by the death of a young woman in police custody.
The “Hard Knocks” series begins its 18th season with the five episode “Hard Knocks: Training Camp with the New York Jets” (HBO, 10 p.m.), this time concentrating on the perennial losers in their New Jersey training camp.
A second episode of “Untold” (Netflix, streaming) talks about a freshman quarterback at Texas A&M who earned the nickname of Johnny football, but fumbled his chance at an NFL career.
“Destination NBA: A G League Odyssey” (Prime Video, streaming) is a documentary about the NBA’s developmental G league.
Jay Leno stops in for the second part of the grand finale of “Hot Wheels: Ultimate Challenge” (NBC, 10 p.m.).