Grab a cup of coffee and count down the hours till Monday is officially over. Until then, let’s check out what to look forward to This Week in Television.

ABC’s Good Morning America will see the following guests:
MONDAY, AUGUST 26 - Actor Patrick Dempsey previews his new documentary on Velocity Channel, “Road to Le Mans"; host Casey Anderson discusses his new series "America the Wild"; all the highlight's and fashions of last night's MTV Video Music Awards; cooking with the owner's of the famed Meatball Shop

TUESDAY, AUGUST 27 - A performance by singer Emeli Sande; ABC's nutrition and wellness editor David Zinczenko with healthier food options; a new martial arts program that teaches breathing techniques to kids with cancer to help them fight through the pain of chemo and medications

WEDNESDAY, AUGUST 28 - TV Food Network star and chef Tyler Florence; a performance by the musical group Cimorelli; Liz Vacarriello from Reader's Digest with 13 things you don't know about your airline pilot

THURSDAY, AUGUST 29 - A performance by Mandisa and the premiere of her new music video; chef Emeril Lagasse cooks a favorite recipe; "GMA's" Deals and Steals with contributor Tory Johnson;

FRIDAY, AUGUST 30 - Mega star Alicia Keys performs as part of "GMA's Summer Concert Series"

CBS’ Late Show with David Letterman will celebrate 20 years on air. Letterman’s first guest, Bill Murray, will return Thursday, August 29 marking 20 years since the shows debut.

Monday, August 26- Actor Patrick Dempsey; actress Amy Sedaris

Tuesday, August 27- Journalist Anderson Cooper; actress Alison Pill; musical guests Robert Randolph & The Family Band

Wednesday, August 28- Medal of Honor recipient Staff Sgt. Ty Carter; musical guests In the Valley Below

Thursday, August 29- Actor Bill Murray returns after being the first guest ever on Late Show with David Letterman back in 1993.

Big Brother returns with new episodes Wednesday, Thursday and Sunday.

Information provided by press releases from respective networks