Not-Viet-Nam-1970-copy-CCDuring the divisive war in Vietnam, inside one Latino family in Greenlee County, Utah, U.S. Navy Commander Everett Alvarez Jr. became a prisoner of war for eight years.

At the same time, his sister, Delia, became a well known antiwar protester. Their stories are covered in Mylene Moreno’s documentary “On Two Fronts: Latinos & Vietnam” (PBS, 10 p.m., check local listings). The film from Oregon Public Broadcasting is highlighted by music from Chicano Batman.

Today is World Rhino Day, which has nothing at all to do with parking, but with poaching. Five hours of special programming begins with the anti-poaching efforts in South Africa, “Battleground: Rhino Wars” (Animal Planet, 7 a.m.) followed by “Saving Rhino Phila” (Animal Planet, 10 a.m.), helping a rhino harmed by poachers; then “Saving Africa’s Giants with Yao Ming” (Animal Planet, 11 a.m.), in which the basketball star gets involved in the issue.

The lion population in a Mozambique national park is examined and the elephant behavior there is observed in the two hour documentary special “Gorongosa Park: Rebirth of Paradise” (PBS, 8 p.m., check local listings). According to filmmaker Bob Poole, the civil war hasn’t helped the situation. His sister, Joyce Poole, is one of the elephant researchers led by American philanthropist Greg Carr and environmentalist Edward O. Wilson.

The second season of “Fresh Off the Boat” (ABC, 8:30 p.m.) begins with a vacation — to a theme park called Gator World.

As the Pope touches down on in the U.S. for the first time, a new “America with Jorge Ramos” (Fusion, 10 p.m.) looks at the mixed reaction of millennials to the teachings of the Roman Catholic Church.

“The Haves and Have Nots” (OWN, 9 p.m.) reaches its season finale.

Blind auditions continue on two more hours of “The Voice” (NBC, 8 p.m.).

There’s two more hours, also, of “Dancing with the Stars” (ABC, 9 p.m.).

A variety of spies are examined on “Drunk History” (Comedy Central, 10:30 p.m.), including Harriet Tubman’s work during the Civil War.

A couple of reruns of “The Flash” (The CW, 8 and 9 p.m.) bide time until the second season starts Oct. 6.

An attack on a U.S. Naval ship kicks off the second season of “NCIS: New Orleans” (CBS, 9 p.m.).

On the 13th season premiere of “NCIS” (CBS, 8 p.m.), Gibbs fights for his life on a hospital ship after being shot. One reason to worry: His surgeon is Jon Cryer.

The assignment on “Face Off” (Syfy, 9 p.m.) has to do with the Four Horsemen of the Apocalypse.

The request at a party on “My Fab 40th” (Bravo, 10 p.m.) is for “conscious uncoupling.”

Peter sets up a lucrative deal on the docu-series “The Agent” (Esquire, 10 p.m.).

Anthony tries to revive a Utah hotel on “Hotel Impossible” (Travel, 9 p.m.).

The “Five Came Back” spotlight on directors in World War II focuses on William Wyler, with his features “Mrs. Miniver” (8 p.m.) and “The Best Years of Our Lives” (12:30 a.m.) bookending a documentary,  “The Memphis Belle: A Story of A Flying Fortress” (TCM, 10:30 p.m.). And they haven’t run out of Private Snafu cartoons, with “Going Home” (12:25 p.m.).

Baseball includes Yankees at Toronto (ESPN, 7 p.m.) and Texas at Oakland (ESPN2, 9 p.m.).

More game threes in the WNBA semifinals: Washington at New York (ESPN2, 7 p.m.) and Los Angeles at Minnesota (ESPN2, 9 p.m.).

Daytime Talk

Kelly & Michael: Terrence Howard, Keke Palmer, Stephen Curry. The View: Lee Daniels. The Talk: Kunal Nayyar, Chi-Lan Lieu. Ellen DeGeneres: Taraji P. Henson, Lea Michele, James Taylor. Wendy Williams: Linda Heasley, Gloria Allred. The Real: Keke Palmer, Fetty Wap. Meredith Vieira: Pamela Anderson, Kim Goldman, Tanya Brown.

Late Talk

Stephen Colbert: Donald Trump, Dr. Ernest Moniz, Raury. Jimmy Kimmel: Kerry Washington, Lea Michele, Travos Scott. Jimmy Fallon: Anne Hathaway, Anthony Anderson, A Great Big World. Seth Meyers: Patrick Stewart, Gov. John Kasich, Michael Irvin, George Ezra, Stephen Perkins. James Corden: Emma Roberts, Kristen Schaal, Royal Blood. Carson Daly: Scott Cooper, Swingin’ Utters, Seaton Smith. Tavis Smiley: Thomas Friedman. Conan O’Brien: Sharon Osbourne, Donald Glover, Caleb Synan.