NBC'S MAY SWEEPS FEATURES LIVE SEASON FINALES OF HIT REALITY SERIES 'THE BIGGEST LOSER: COUPLES' AND 'THE CELEBRITY APPRENTICE," A CELEBRATION OF THE 100TH EPISODE OF 'THE OFFICE,' A SPECIAL FINALE OF '30 ROCK,' AN ALL-NEW 'SNL' SPECIAL AND GUEST STARS GALORE

Featured Guest Stars Include Alan Alda, Sheryl Crow, Mary J. Blige, Elvis Costello, Clay Aiken, Adam Levine, Salma Hayek, Elaine Stritch, Sherri Shepherd, Steve Buscemi, Hilary Duff, Gail O'Grady, Edward Herrmann, Geraldo Rivera, Norm MacDonald, NASCAR driver Michael Waltrip, Michael Dorn, Zeljko Ivanek, Tom Sizemore, C. Thomas Howell, Swoosie Kurtz, Macaulay Culkin, Leslie Bibb, Amy Ryan, Idris Elba, Morgan Fairchild, Bruce Boxleitner, Scott Bakula, Chevy Chase, Tracy Pollan, Anjelica Huston, David Morse, Jeffrey Tambor, Balthazar Getty and Rumer Willis

UNIVERSAL CITY, CALIF. - April 21, 2009 - NBC has a super sweeps lineup in April and May with live season finale episodes of its hit reality series "The Biggest Loser: Couples" and "The Celebrity Apprentice" as well as a special season finale episode of "30 Rock" featuring Alan Alda along with marquee musical artists -- plus a celebration of the 100th episode of the Emmy Award-winning "The Office," the all-new "Saturday Night Live" special "Saturday Night Live Just Shorts" and a fistful of series guest stars.

The April-May guest stars include: Alan Alda, Sheryl Crow, Mary J. Blige, Elvis Costello, Clay Aiken, Adam Levine, Salma Hayek, Elaine Stritch, Sherri Shepherd and Steve Buscemi ("30 Rock"); Hilary Duff, Swoosie Kurtz and Gail O'Grady ("Law & Order: Special Victims Unit"); Edward Herrmann ("Law & Order"); Geraldo Rivera, Norm MacDonald and NASCAR driver Michael Waltrip ("My Name Is Earl"); Michael Dorn and Zeljko Ivanek ("Heroes"); Tom Sizemore and C. Thomas Howell ("Southland"); Macaulay Culkin and Leslie Bibb ("Kings"); Amy Ryan and Idris Elba ("The Office"); Morgan Fairchild, Bruce Boxleitner, Scott Bakula and Chevy Chase ("Chuck"); and Tracy Pollan, Anjelica Huston, David Morse, Jeffrey Tambor, Balthazar Getty and Rumer Willis ("Medium").

"The Office" will celebrate its 100th installment on Thursday, May 14 (9-9:30 p.m. ET) in its season finale involving an eventful company picnic guest starring Amy Ryan and Idris Elba.

The live three-hour finale of "The Biggest Loser: Couples" airs on Tuesday, May 12 (8-11 p.m. ET) and "The Celebrity Apprentice" wraps up its season with a special live three-hour episode on Sunday, May 10 (8-11 p.m. ET).

The "Saturday Night Live Just Shorts" special hosted by Andy Samberg will air on Sunday, May 17 (9-11 p.m. ET).

"30 Rock" concludes its third season on Thursday, May 14 (9:30-10 p.m. ET) with a special episode featuring Alan Alda and surprise musical guests.

The climactic finale episode of "Heroes" airs Monday, April 27 (9-10 p.m. ET); the "Chuck" finale airs on Monday, April 27 (8-9 p.m. ET) and "Howie Do It" concludes with its season finale on Friday, May 1 (8-8:30 p.m. ET).

In addition, NBC's popular new comedy "Parks and Recreation" (Thursdays, 8:30-9 p.m. ET) will continue with original episodes through April and May with its finale on May 14; the new hit drama "Southland" concludes its season on Thursday, May 21 (10-11 p.m. ET).

"Deal or No Deal also will return to the lineup in sweeps with some original event episodes beginning May 4 (8-9 p.m. ET).

NBC April-May Guest Star Dates:
� Idris Elba - The Office (4/23, 5/14)
� Salma Hayek - 30 Rock (4/23)
� Tom Sizemore - Southland (4/23)
� C. Thomas Howell - Southland (4/23)
� Steve Buscemi - 30 Rock (4/23)
� Morgan Fairchild - Chuck (4/27)
� Bruce Boxleitner - Chuck (4/27)
� Scott Bakula - Chuck (4/23)
� Chevy Chase - Chuck (4/23)
� Michael Dorn - Heroes (4/27)
� Zeljko Ivanek - Heroes (4/27)
� Hilary Duff - Law & Order: SVU (4/28)
� Gail O'Grady - Law & Order: SVU (4/28)
� Edward Herrmann - Law & Order (4/29)
� Elaine Stritch - 30 Rock (4/30)
� Faizon Love - My Name Is Earl (4/30)
� Geraldo Rivera - My Name Is Earl (4/30)
� NASCAR's Michael Waltrip - My Name Is Earl (4/30)
� Macaulay Culkin - Kings (5/2)
� Tracy Pollan - Medium (5/4, 5/11)
� David Morse - Medium (5/4, 5/11)
� Swoosie Kurtz - Law & Order: SVU (5/5)
� Alan Alda - 30 Rock (5/7, 5/14)
� Leslie Bibb - Kings (5/9)
� Jeffrey Tambor - Medium (5/11)
� Norm MacDonald - My Name Is Earl (5/14)
� Amy Ryan - The Office (5/14)
� Sherri Shepherd - 30 Rock (5/14)
� Sheryl Crow - 30 Rock (5/14)
� Mary J. Blige - 30 Rock (5/14)
� Elvis Costello - 30 Rock (5/14)
� Clay Aiken - 30 Rock (5/14)
� Adam Levine - 30 Rock (5/14)
� Balthazar Getty - Medium (5/18)
� Anjelica Huston - Medium (5/18)
� Rumer Willis - Medium (5/18)