This Week in Television we can officially start the countdown to fall shows. With some shows kicking off in mid to late September, fans we have just two-to-three weeks left of re-runs! Let’s take a look at what’s going on This Week in Television.

On NBC’s Late Night with Jimmy Fallon the following guests are set to appear.

Monday, September 2: Guests include Derek Jeter, Emma Roberts and musical guest Jake Owen.

Tuesday, September 3: Guests include Michael Strahan, Demi Lovato and musical guest Neko Case.

Wednesday, September 4: Guests include Heidi Klum, Mayor Cory Booker and musical guest The Julie Ruin. Raheem Devaughn sits-in with The Roots.

Thursday, September 5: Guests include Steve Buscemi, Bethenny Frankel and Chef Daniel Humm.

Friday, September 6: Guests include Katie Couric, Patton Oswalt and musical guest New Politics. Tamar Braxton sits-in with The Roots.
Football is back! NFL officially kicks off on Thursday with the Baltimore Ravens taking on the Denver Broncos.

On Sunday, the New York Giants battle the Dallas Cowboys.
Pm CBS’ Late Show with David Letterman, Letterman will sit down with the following guests:

Monday, Sept. 2 Tennis star Serena Williams; comedian Sean Donnelly; musical guests MGMT

Tuesday, Sept. 3: Actor Jake Gyllenhaal; Julie Chen, host of the CBS reality show “Big Brother” and co-host of the CBS daytime talk show “The Talk”; musical guests The Dodos

Wednesday, Sept. 4: Actor Tim Robbins; football commentator Herm Edwards; musical guests Passion Pit (n)

Thursday, Sept. 5: Actress/talk show host Queen Latifah, host of the CBS special “Teach”; actor Jake Johnson; musical guests TV on the Radio

Friday, Sept. 6: Comedian/talk show host Arsenio Hall; musical guest Laura Mvula

Contestants fight for the power of veto on Wednesday’s episode of Big Brother; the second double eviction of the season kicks off Thursday and two new players find themselves nominated for eviction on Sunday.

This week on Good Morning America:

MONDAY, SEPTEMBER 2 - The McGhee family from the OWN series "Six Little McGhee's"; "Teen Beach" star Ross Lynch and his band R5 perform; author Cassandra Clare (The Mortal Instruments)

TUESDAY, SEPTEMBER 3 - "GMA" spends a day with Uncle Si Robertson (Si-cology 1: Tales and Wisdom from Duck Dynasty's Favorite Uncle); Cedric "The Entertainer" (the new host of ABC's "Who Wants to Be a Millionaire"); a performance by singer and reality star Tamar Braxton

WEDNESDAY, SEPTEMBER 4 - The exciting new cast of "Dancing with the Stars" will be revealed live on "GMA," with the celebrity couples and their pro dance partners taking questions from viewers.

THURSDAY, SEPTEMBER 5 - Actress and singer Jennifer Hudson ("Winnie"); the exclusive premiere of Mandisa's new music video; "GMA's" Deals and Steals with contributor Tory Johnson; a performance by singer John Legend

FRIDAY, SEPTEMBER 6 - "GMA" catches up with singer Katy Perry, and she makes a special announcement; reality star and talk show host Bethenny Frankel with beauty and healthy eating tips.

Information provided by press releases from their respective networks.