BezosJeff Bezos just committed $10 billion to fight climate change. But how did he possibly rise to the level of wealth that would accommodate such a gesture? The founder of Amazon is the subject of a two hour episode of “Frontline” (PBS, 9 p.m., check local listings) a year in the making that tracks the rise of the company, its takeover of the marketplace, its effect on workers and its ambitious plans for further expansion. There is a whole lot to cover, from monopoly and working conditions to its Alexa listening devices to the hacking of indoor Ring cameras to facial recognition and military technology.

The lead-up to an annual speakers’ competition inspired by Martin Luther King Jr. is covered in the documentary “We Are the Dream: The Kids on the Oakland MLK Oratorical Fest” (HBO, 7 p.m.).

CNN begins a series of Democratic Presidential Town Halls (CNN, 8 p.m.) starting with Bernie Sanders, with Pete Buttigieg following at 9, Amy Klobuchar at 10 p.m. Joe Biden and Elizabeth Warren follow on Thursday.

The onetime planet Pluto was first discovered 90 years ago today, Its story, and reclassification as a dwarf planet in 2006, is covered in the special “#TeamPluto” (Discovery, 11 p.m.).

“Chopped” (Food, 9 p.m.) gathers four repeat champions to vie for $50,000 and title of grand champ.

On the new game show “Hot Ones: The Game Show” (truTV, 10 p.m.), contestants answer trivia questions as they eat increasingly spicy hot wings, based on the web series.

“Finding Your Roots” (PBS, 8 p.m.) looks into the Italian backgrounds of Marisa Tomei, Jimmy Kimmel and John Turturro.

Aaron provides counsel to a white supremacist on “For Life” (ABC, 10 p.m.).

“NCIS” (CBS, 8 p.m.) investigates the suicide of a retired Navy officer who left a rare coin to the National Museum of the Navy.

The neurosurgery center opens on “The Resident” (Fox, 8 p.m.).

“The Conners” (ABC, 8 p.m.) had its highest ratings with its live episodes last week, but it’s back to pre-taped tonight with Dan facing a death in the family.

Ralph gets close to finding out where Sue is on “The Flash” (CW, 8 p.m.).

The presidency is the third and final episode of the series on “Washington” (History, 8 p.m.).

On “Bless This Mess” (ABC, 8:30 p.m.), Sierra has a wedding day confession.

Marie Antoinette visits “DC’s Legends of Tomorrow” (CW, 9 p.m.).

A man with a missing child abducts a billionaire’s daughter on “FBI” (CBS, 9 p.m.).

“Gordon Ramsay’s 24 Hours to Hell and Back” (Fox, 9 p.m.) goes to a Oak Park, Calif., restaurant with Rob Gronkowski.

“I Am Jazz” (TLC, 8 p.m.) visits Harvard.

Remaining contestants get to see their families on “The Biggest Loser” (USA, 9 p.m.).

The Big Three meet at the family cabin on “This Is Us” (NBC, 9 p.m.) to dig up an old time capsule.

There’s a princess-themed bridal shower for Brittany on “Vanderpump Rules” (Bravo, 9 p.m.).

“Mixed-ish” (ABC, 9 p.m.) is in car-buying mode.

Diane is no longer friends with Sophie on “Black-sh” (ABC, 9:30 p.m.).

On “FBI: Most Wanted” (CBS, 10 p.m.), a cult leader orders a family’s murder.

Prince Chauncley gets an internship on “Miracle Workers” (TBS, 10:30 p.m.).

On “My Big Fat Fabulous Life” (TLC, 8 p.m.), Whitney’s dad falls down the stairs.

Jared struggles with his breakup with Kelsey on “Siesta Key” (MTV, 8 p.m.).

Paychecks go unpaid on “New Amsterdam” (NBC, 10 p.m.).

On “Project Blue Book” (History, 10 p.m.) Hyena is kidnapped by the Man in Black.

Turner Classic Movies’ 31 Days of Oscar continues with “Disraeli” (7:15 a.m.), “Raffles” (8:45 a.m.), “The Prisoner of Zenda” (10 a.m.), “49th Parallel” (noon), “Vacation from Marriage” (2:15 p.m.), “Goodbye, Mr. Chips” (4 p.m.), “In Which We Serve” (6 p.m.), “Brief Encounter” (8 p.m.), “Sons and Lovers” (9:45 p.m.), “Pygmalion” (11:45 p.m.), “Of Human Bondage” (1:30 a.m.), “Little Women” (3 a.m.) and “Father of the Bride” (5 a.m.).

Hockey has Toronto at Pittsburgh (NBC Sports, 7 p.m.).

Men’s college basketball includes Saint Francis at Long Island (ESPNU, 5 p.m.), Davidson at Saint Joseph’s (CBS Sports, 6:30 p.m.), Illinois at Penn State (Fox Sports 1, 6:30 p.m.), Purdue at Wisconsin (ESPN, 7 p.m.), Dayton at VCU (CBS Sports, 8:30 p.m.), Creighton at Marquette (Fox Sports 1, 8:30 p.m.), Kentucky at LSU (ESPN, 9 p.m.), Nevada at New Mexico (ESPNU, 9 p.m.), Baylor at Oklahoma (ESPN2, 9 p.m.) and Colorado State at UNLV (CBS Sports, 10:30 p.m.).

Daytime Talk

Kelly Ripa and Ryan Seacrest: Denny Hamlin, Anya Taylor-Joy, Brian Kelly. The View: Curtis “50 Cent” Jackson, Isaac Wright Jr. The Talk: Piers Morgan, NeNe Leakes. Ellen DeGeneres: Harrison Ford. Kelly Clarkson: Dan Levy, Stephanie Beatriz, Kimora Lee Simmons. Tamron Hall: Dan Peres Alexis Haines, Brad Lamm. The Real: Matthew Cherry, Karen Rupert Toliver.

Late Talk

All reruns: Stephen Colbert: John Mulaney. Jimmy Kimmel: Renée Zellweger, Curtis “50 Cent” Jackson, Caroline Polachek. Jimmy Fallon: Robert Downey Jr., Aidy Bryant, Little Big Town. Seth Meyers: Claire Danes, Zach Woods, Gov. Gavin Newsom. James Corden: Justin Bieber, Billy Crystal, Ben Schwartz. Lilly Singh: Rainn Wilson, Matteo Lane. Conan O’Brien: Kevin Nealon.