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 OGrady (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, NBCs 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 (4/27)
Chevy Chase Chuck (4/27)
Michael Dorn Heroes (4/27)
Zeljko Ivanek Heroes (4/27)
Hilary Duff Law & Order: SVU (4/28)
Gail OGrady Law & Order: SVU (4/28)
Elaine Stritch 30 Rock (4/30)
Faizon Love My Name Is Earl (4/30)
Geraldo Rivera My Name Is Earl (4/30)
NASCARs 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)