MascotsThe latest from Christopher Guest comes on a streaming service — a mockumentary peek inside the fake World Mascot Association Championship which is also known as the Fluffies. “Mascots” (Netflix, streaming) stars a familiar cast of first-rate comics and improvisers that include Parker Posey, Fred Willard, Harry Shearer, bob Balaban, Jennifer Coolidge, Chris O’Dowd, Jane Lynch and Ed Begley Jr.

But there are also a number of new faces that are just as good in the deadpan array, including such favorites as Zach Woods and Sarah Baker, a pair of middle school teachers and mascots from Kansas. Guest himself also appears, resurrecting his character Corky St. Clair from “Waiting for Huffman.” It’s awfully funny.

Spooky dreams connect three disparate people on the new series “Falling Water” (USA, 10 p.m.).

A winner is named on “RuPaul’s All Stars Drag Race” (VH1, 8 p.m.).

The 12th season of “Supernatural” (The CW, 9 p.m.) begins with Dean meeting his mom and Sam shot by Toni.

It accompanies the second season start for “DC’s Legends of Tomorrow” (The CW, 8 p.m.) reunite and try to save Albert Einstein from a Nazi nuclear bomb.

An injury keeps Mike from the All-Star Game on “Pitch” (Fox, 9 p.m.).

The title of tonight’s “Better Things” (FX, 10 p.m.) is “alarms.” But maybe not the fire alarm batteries that bedeviled her on an earlier episode.

The first team challenge occurs on “Project Runway” (Lifetime, 9 p.m.). Sabrina carpenter is guest judge.

The bar association hears incriminating evidence about Annalise on “How to Get Away with Murder” (ABC, 10 p.m.).

On “The Blacklist” (NBC, 10 p.m.) the task force tracks a so-called “eco-terrorist.”

Eleanor is enlisted for a big mission on “The Good Place” (NBC, 8:30 p.m.).

A “Superstore” (NBC, 8 p.m.) spokesman is accused of a crime.

The four part focus on Ryan’s wedding comes to an end on “Million Dollar Listing New York” (Bravo, 10 p.m.).

Coincidentally, a second season stars for “Bajillion Dollar Propertie$” (Sees, streaming).

On the new “Acting Out” (MTV, 10:30 p.m.) comedians have their favorite standup routines acted out. It comes after something called “The Almost Impossible Game Show” (MTV, 10 p.m.).

A phalanx of entertainment lawyers in the hip-hop world re followed on the new “Money.Power.Respect.” (We, 10 p.m.).

It follows a second season start for “Growing U Hip Hop” (e, 9 p.m.).

A rare infection affects several patients on “Chicago Med” (NBC, 9 p.m.).

A college football player is murdered on “Notorious” (ABC, 9 p.m.).

On “Grey’s Anatomy” (ABC, 8 p.m.), Jackson and April adapt to parenthood.

On “Rosewood” (Fox, 8 p.m.) somebody dies on a booze cruise.

The series on trailblazing women on Turner Classic Movies spotlights women who were affected by the blacklist: continues with Gale Sondergaard in “The Letter” (8 p.m.), Lee Grant in “Shampoo” (10 p.m.), Marsha Hunt in “Raw Deal” (midnight), Dorothy Comingore in “Citizen Kane” (1:30 a.m.) and Rosaura Revueltas in “Salt of the Earth” (3:45 a.m.).

There’s one more winner to be determined in baseball’s divisional series. It will come in Game 5 of the National League Divisional Series of Dodgers at Washington (Fox Sports 1, 8 p.m.).

Thursday Night Football has Denver at San Diego (CBS, 8:25 p.m.).

Hockey has Washington at Pittsburgh (NBC Sports, 8 p.m.).

Preseason basketball includes Toronto at Cleveland (TNT, 8 p.m.) and Portland at Clippings (TNT, 10:30 p.m.).

Daytime Talk

Kelly Ripa: Tea Leoni, Norman Reeds, Andy Grammar, Carrie Ann Inaba. The View: Neil deGrasse Tyson. The Talk: Chris O’Donnell, Brandon McMillan, Tony Gonzalez. Chelsea Handler: John B. King, Jennifer Connelly, Glennon Doyle Melton. Harry Connick: Katy Mixon. Ellen DeGeneres: Colin Farrell, Laverne Cox, John Legend. Wendy Williams: Deborah Cox, Dave Mizejewski. The Real: Michel’le, Rayon Nicole Brown.

Late Talk

Stephen Colbert: Bruce Springsteen (rerun). Jimmy Kimmel: Colin Farrell, Laverne Cox, Vin Scully. Jimmy Fallon: Vin Diesel, Norman Reeds, Christine and the Queens. Seth Meyers: Kevin Hart, Sen. Al Franken, Secretary of Defense Ash Carter, Thaddeus Dixon, Corey Glover, Vernon Reid. James Corden: John Krasinski, Adam Pally, Jimmy Butler, Penn & Teller (rerun). Carson Daly: Tricia Heifer, Bear Hands, Phoebe Waller-Bridge. Tavis Smiley: Cookie Johnson, Will Downing. Trevor Noah: Ana Navarro, Jidenna. Conan O’Brien: Zac Efron, Adam Devine, Tavis Smiley, Rhea Butcher (rerun).