The lavish sets and elaborate gowns of “The Gilded Age” (HBO, 9 p.m.) are back for a fourth season of the soapy period drama. Also back is the simplistic story-telling — a kind of dumbed-down “Downton Abbey,” from the guy who created both. As we begin, the daughter of the Russells is about to give birth; and Christine Baranski’s Aunt Agnes is preparing to host a visit from President Cleveland (to be played by Jim Gaffigan).
It’s followed by the first season finale of Sharon Horgan’s engaging “Youth” (HBO, 10 p.m.).
Sunday Night Football has Philadelphia at Washington (NBC, 8:20 p.m.). Earlier games include Baltimore at Buffalo (CBS, 1 p.m.), Arizona at Dallas (Fox, 1 p.m.), (Fox, 4 p.m.), and Kansas City at Denver (CBS, 4:25 p.m.).
College basketball begins its season with a couple of games in Rome, with the men’s game, Notre Dame vs. Villanova (Fox, 9:30 a.m.), followed by the women’s game of Notre Dame vs. Villanova (Fox Sports 1, noon).
Did O.J. Simpson have an accomplice? A recent New York Times story seemed to think so, as does a new two-part true crime documentary series “O.J.’s Accomplice” (Peacock, streaming). Both identify Joey Ippolito as said accomplice; with his brother spilling the beans.
“American Hostage” (MGM+, 9 p.m.), the crime thriller with Jon Hamm and Giovanni Ribisi, ends its season.
Lisa gets a neurodiversity test on “The Simpsons” (Fox, 8 p.m.).
“Professor T” (PBS, 8 p.m., check local listings) looks into a death at a spiritual retreat.
Victoria parents a pig and goes on a date on “Animal Control” (Fox, 8:30 p.m.).
“Marshals” (CBS, 8:30 p.m.) hit for a bombing co-conspirator.
Money laundering becomes a problem on “The Gold” (PBS, 10 p.m., check local listings).
“Tracker” (CBS, 9:30 p.m.)looks for a military contractor’s wife and daughter, who have been kidnapped.
A young woman drowns and a congressman has disappeared on “Maigret” (PBS, 9 p.m., check local listings).
“Dexter: Resurrection” (Showtime, 8 p.m.) settles into its regular time slot.
Emilie Ullerup plays a Chicago hotel tech exec moves home to Copenhagen where she meets a guy (Corey Sevier) in the made-for-TV romance “A Danish Christmas” (Hallmark, 8 p.m.).
“Grimsburg” (Fox, 9:30 p.m.) goes on an office retreat.
Hank helps a robot find joy on “Universal Basic Guys” (Fox, 9 p.m.).
“The Real Housewives of Potomac” (Bravo, 8 p.m.) includes a trip to Capitol Hill.
A sleepwalker awakes to find her best friend murdered in the made-for-TV thriller “While She Was Sleeping” (Lifetime, 8 p.m.).
“Paranormal Caught on Camera” (Travel, 9 p.m.) includes strange doings at a Vegas Tiki bar.
Janelle learns beekeeping on “Sister Wives” (TLC, 10 p.m.).
“Last Week Tonight with John Oliver” (HBO, 11 p.m.) may have some wisdom to impart before Tuesday’s madders, which is all the rage on cable news specials like “Midterms 2026: Countdown to Election Night” (CNN, 8 p.m.) and “We the People 2026” (MS NOW, 8 p.m.).
Turner Classic Movies has a pair of Jimmy Stewart war movies, “Strategic Air Command” (8 p.m.) and “The Mountain Road” (10:15 p.m.). The silent movie at midnight is “The Garden of Eden” (12:15 a.m.). Then comes two from Louis Malle, “Zazie Dans Le Metro” (2 a.m.) and “Murmur of the Heart” (3:45 a.m.).
Hockey has Winnipeg at Carolina (NHL, 1 p.m.) and Edmonton at Rangers (NHL, 6 p.m.).
NASCAR runs its Xfinity 500 (NBC, 2 p.m.).
Today’s the day of the New York City Marathon (ESPN2, 8 a.m.; ABC, 3 p.m..
Baseball’s over for the season but here’s the Golden Glove Awards (ESPN, 8:30 p.m.).
Women’s college volleyball includes Texas A&M at Texas (ABC, 1 p.m.).
Sunday Talk
ABC: Former Rep. Kevin McCarthy, former New Jersey Gov, Chris Christie, strategist Donna Brazile, former North Dakota Sen. Heidi Heitkamp. CBS: Treasury Secretary Scott Bessent, Sen. Bernie Sanders, Pennsylvania Gov. Josh Shapiro. NBC: Illinois Gov. JD Pritzker, Sen. Tim Scott, Rep. Jamie Raskin, Steve Kornacki. CNN: Sen. Raphael Warnock. Fox: Rep. Ro Khanna.