the-simpsonsTo herald a new website that boasts every episode, with searchable quotes, scenes and characters, television’s biggest marathon begins, showing every single episode of 25 seasons of “The Simpsons” (FXX, 10 a.m.) in order.

Playing all 552 episodes ’round the clock for a dozen days straight through to Sept. 1 to let the world know that FXX is the new home for “The Simpsons” reruns, the event will also include “The Simpsons Movie” on Aug. 29, at 6 p.m., fitting in where it did between those seasons. No word on whether it will include every Butterfingers commercials as well.

Another good marathon today would be to catch up on every subtle, finely-wrought episode of the underrated “Rectify” (Sundance, 9 p.m.) before its second season finale.

The new show “The Feed” (FYI, 10 p.m.) is a talk show about food, with Gail Simmons, Marcus Samuelsson and Max Silvestri.

The fifth season of Canadian import “Rookie Blue” (ABC, 9 p.m.) ends with two episodes, dealing with that Toronto bomber.

The 2001 interview with Robin Williams is replayed on “Inside the Actors’ Studio” (Bravo, 8 p.m.).

Every episode of “The Honorable Woman” (Sundance, 10 p.m.) seems packed with drama, tonight’s better explained eight years ago in Gaza.

We get two episodes of “Welcome to Sweden” (NBC, 9 p.m.) after “Working the Engles” (NBC, 9:30 p.m.) has been pulled.

Designers create looks for Heidi Klum to wear to the Creative Arts Emmys on “Project Runway” (Lifetime, 9 p.m.).

A third season starts for “Gypsy Sisters” (TLC, 9 p.m.) with two hours of fights, big dresses and reconciliations.

“Rush” (USA, 10 p.m.) goes to a medical conference.

Pottiger and Amanda are trapped in a mine collapse on “Defiance” (Syfy, 8 p.m.).

They insist on bringing the nanny into their sordid world on “Don’t Be Tardy” (Bravo, 9 p.m.) by giving her a makeover.

After creating myths during Shark Week, Discovery turns back to “Mythbusters” (Discovery, 9 p.m.).

Seems like the “Doomsday Preppers” (National Geographic , 9 p.m.) have better reasons every day to hole up from the rest of the world.

Jimmy and Gretchen compete to see who can sleep with the most famous person, living up to their title on “You’re the Worst” (FX, 10 p.m.).

Mental and physical competitions are given to remaining warriors on “The Quest” (ABC, 8 p.m.).

The lesser known actor from the 1930s, Lee Tracy, is star today on Turner Classic Movies, with “Fixer Dugan” (6 a.m.), “Crashing Hollywood” (7:15 a.m.), “Criminal Lawyer” (8:30 p.m.), “The Spellbinder” (9:45 a.m.), “Wanted: Jane Turner” (11 a.m.), “Millionaires in Prison” (12:15 p.m.), “Behind the Headlines” (1:30 p.m.), “The Strange Love of Molly Louvain” (2:30 p.m.), “The Half Naked Truth” (3:45 p.m.), “Love is a Racket” (5:15 p.m.), “Turn Back the Clock” (6:30 p.m.), “Bombshell” (8 p.m.), “Blessed Event” (10 p.m.), “Dinner at Eight” (11:30 p.m.), “Doctor X” (1:30 a.m.), “Betrayal from the East” (3 a.m.) and “Clear All Wires!” (4:30 a.m.).

Preseason football has Pittsburgh at Philadelphia (NFL, 7:30 p.m.).

The WNBA playoffs begin with Washington at Indiana (ESPN2, 7 p.m.) and San Antonio at Minnesota (ESPN2, 9 p.m.).

Baseball today includes Detroit at Tampa Bay (MLB, 1 p.m.) and Atlanta at Cincinnati (MLB, 7 p.m.).

Daytime Talk

Kelly & Michael: Charlize Theron, Jon Hamm, Cher Lloyd. The View: Weird Al Yankovic, Cynthia Nixon, Josh Gad, Ana Belaval (rerun). Ellen DeGeneres: Ty Burrell, Arianna Huffington, Lea Michele (rerun). Wendy Williams: Taraji P. Henson (rerun).

Late Talk

David Letterman: Serena Williams, Chadwick Boseman, Echo & the Bunnymen. Jimmy Fallon: Josh Brolin, Artie Lange, Giada De Laurentiis. Jimmy Kimmel: Chris Pratt, Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper, Classixx (rerun). Seth Meyers: Zach Braff, Jack Antonoff, Bleachers (rerun). Craig Ferguson: Kathy Bates (rerun). Carson Daly: Gareth Daly: Gareth Evans, Arthur Beatrice (rerun). Tavis Smiley: Frank Langella. Arsenio Hall: Jeff Garlin, Tameka “Tiny” Cottie-Harris, Michael Blackson (rerun). Chelsea Handler: Jennifer Lopez, Josh Wolf, Heather McDonald, Ross Mathews.