The acclaimed novel by Viet Thanh Nguyen, “The Sympathizer” (HBO, 9 p.m.) is now a seven-part series about the complicated life of a North Vietnamese double agent. Hoa Xuande does a fine job in the title role, but recent Oscar-winner Robert Downey Jr. has four different role, starting with a cigar-chomping CIA agent. Tonight’s inaugural episode has a spectacular scene about the fall of Saigon.

The number of times Billy Joel has played Madison Square Garden reached three figures in March, in a concert that as taped for tonight’s two hour special “The 100th: Billy Joel at Madison Square Garden” (CBS, 9 p.m.). Joel will play his 150th and final show at the Garden in July. How many times can a person hear “Piano Man” anyway?

The four-hour, two-part documentary special “Space Shuttle Columbia: The Final Flight” (CNN, 9 p.m.) comes to an end. 

The notorious motorcycle club is profiled in the new series “Secrets of the Hells Angels” (A&E, 10 p.m.).  

Sunday Night baseball has San Diego at Dodgers (ESPN, 7 p.m.). Earlier games include Yankees at Cleveland (MLB, 1:30 p.m.) and Cubs at Seattle (MLB, 4:30 p.m.).

“Alice & Jack” (PBS, 10 p.m., check local listings) finally meet again, in less than optimum circumstances. 

Sub-postmasters begin standing up for themselves on “Mr. Bates vs. the Post Office” (PBS, 9 p.m.). 

A wrongly-accused prisoner is finally released to his small Arizona town in the made-for-TV film “Far Haven” (INSP, 9 p.m.). Bailey Chase stars.

Stan tries to make Marvin keep him in mind on a new “Grimsburg” (Fox, 9:30 p.m.). 

“Tracker” (CBS, 9 p.m.) looks for a missing dockworker. 

The new librarian gets rid of vandalized books on the first of two new episodes of “The Great North” (Fox, 8:30 p.m.).

“American Idol” (ABC, 8 p.m.) has the Top 20 perform. 

Two dozen chefs try to create 24 dishes in 24 hours on the new “24 in 24: Last Chef Standing” (Food, 8 p.m.).

The recent bio pic “Bob Marley: One Love” (MGM+, 7:10 p.m.) makes its way to premium cable. 

Elizabeth and Allie plan a birthday party for Nathan on “When Calls the Heart” (Hallmark, 9 p.m.). 

“The Food That Built America” (History, 9 p.m.) looks at the cereal aisle rivalry between Kellogg’s and General Mills. 

The season is half over on “Wicked Tuna” (National Geographic, 9 p.m.). 

“Bar Rescue” (Paramount, 10 p.m.) aids a place in Glendale, Ariz.

The Count receives some devastating news on “A Gentleman in Moscow” (Showtime, 8 p.m.). 

Turner Classic Movies began 30 years ago today, so there will be movies introduced the late longtime host Robert Osborne. Among them are “North by Northwest” ((7:30 a.m.), “The Breaking Point” (10 a.m.), “An American in Paris” (noon), “Mr. Skeffington” (2 p.m.), “Cyrano de Bergerac” (4:30 p.m.), “Private Screenings: Alec Baldwin” (6:30 p.m.), “Gone With the Wind” (8 p.m.), “The Wind” (midnight), “Robert Osborne’s 20th Anniversary Tribute” (1:30 a.m.), “Diabolique” (2:30 a.m.) and “The Petrified Forest” (4:30 a.m.). 

Basketball includes Chicago at New York (ESPN, 1 p.m.) and Lakers at New Orleans (ESPN, 3:30 p.m.). 

Hockey has Seattle at St. Louis (TNT, 1 p.m.), and Colorado at Vegas (TNT, 3:30 p.m.).

NASCAR runs its EchoPark Automotive 400 (Fox Sports 1, 3:30 p.m.).

Final rounds are played in golf’s Masters (CBS, 2 p.m.). 

UFL action has Houston at Michigan (ABC, noon) and St. Louis at San Antonio (ABC, 3 p.m.). 

College softball includes Georgia at Kentucky (ESPN2, 2:30 p.m.) and Texas A&M at Alabama (ESPN2, 4:30 p.m.). 

Sunday Talk

ABC: New Hampshire Gov. Chris Sununu, Sen. Tina Smith. CBS: Sen. Mark Kelly, Rep. Michael McCaul, White House national security advisor John Kirby, retired Gen. Frank McKenzie, managing director of the International Monetary Fund Kristalina Georgieva. NBC: Michigan Gov. Gretchen Whitmer, Maryland Gov. Wes Moore, Rep. Mike Turner. CNN: Sens. John letterman and J.D. Vance. Fox: Kirby, Sen. John Kennedy, Trump lawyer Will Scharf.