CBS announced today that most of its new and returning series will premiere during the week of Sept. 20, the official start of the 2010-2011 season. The exceptions are Survivor: Nicaragua, which launches a week earlier, and The Good Wife and CSI: Miami, which both debut a week later.

CBS will get an early start on the season with the premiere of Survivor: Nicaragua, the 21st edition of the hit reality series, which launches in its new time period on Wednesday, Sept. 15 (8:00-9:00 PM, ET/PT).

CBS's new season rollout officially begins on Monday, Sept. 20 with the season six debut of How I Met Your Mother (8:00-8:30 PM, ET/PT), followed by the fifth season premiere of Rules of Engagement (8:30-9:00 PM, ET/PT), the eighth season premiere of television's #1 comedy, Two and a Half Men (9:00-9:30 PM, ET/PT), the series premiere of Mike & Molly (9:30-10:00 PM, ET/PT) and the series debut of Hawaii Five-0 (10:00-11:00 PM, ET/PT).

RELATED: Survivor Trailer Starring Milla Jovovich & Pierce Brosnan

NCIS, television's #1 drama, returns for its eighth season on Tuesday, Sept. 21 (8:00-9:00 PM, ET/PT), followed by the two-hour second season premiere of NCIS: Los Angeles (9:00-11:00 PM, ET/PT), last season's #1 new scripted series.

On Wednesday, Sept. 22, Criminal Minds (9:00-10:00 PM, ET/PT) returns for its sixth season followed by the series debut of The Defenders (10:00-11:00 PM, ET/PT).

On Thursday, Sept. 23, CBS opens its new one-hour comedy block on television's biggest night with the fourth season premiere of The Big Bang Theory (8:00-8:30 PM, ET/PT) -the fastest-growing series on television and the #1 scripted program in adults 18-49 - heading into the irreverent new comedy, $#*! My Dad Says (8:30-9:00 PM, ET/PT). CSI: Crime Scene Investigation returns for its 11th season (9:00-10:00 PM, ET/PT), followed by the third season premiere of The Mentalist (10:00-11:00 PM, ET/PT).

The Network's new Friday lineup premieres Sept. 24 with Medium's second season on CBS (8:00-9:00 PM, ET/PT), followed by a new two-hour block of New York-based crime dramas featuring the seventh season premiere of CSI: NY in its new (9:00-10:00 PM, ET/PT) time period and the series debut of the new police drama Blue Bloods (10:00-11:00 PM, ET/PT).

48 Hours Mystery, Saturday's most-watched program, returns on Sept. 25 (10:00-11:00 PM, ET/PT).

Premiering on Sunday, Sept. 26 is the 43rd season of 60 Minutes, television's longest- running and highest-rated newsmagazine (7:30-8:30 PM, ET/PT, time approximate following late-running football), followed by a 90-minute premiere of the multi-Emmy Award-winning The Amazing Race (8:30-10:00 PM, ET/PT) and the Emmy Award-nominated Undercover Boss, last season's #1 new program (10:00-11:00 PM, ET/PT).

The Emmy Award-nominated The Good Wife returns for its sophomore season on Tuesday, Sept. 28 (10:00-11:00 PM, ET/PT).

On Sunday, Oct. 3, CSI: Miami makes its ninth season premiere in its new time period (10:00-11:00 PM, ET/PT).

CBS's 2010-2011 Premiere Dates

Wednesday, Sept. 15

  • 8:00-9:00 PM Survivor: Nicaragua (21st Edition Premiere)

Monday, Sept. 20

Tuesday, Sept. 21

Wednesday, Sept. 22

Thursday, Sept. 23

Friday, Sept. 24

  • 8:00-9:00 PM Medium (2nd Season Premiere on CBS)
  • - 9:00-10:00 PM CSI: NY (7th Season Premiere)
  • - 10:00-11:00 PM Blue Bloods (Series Debut)

Saturday, Sept. 25

  • 8:00-9:00 PM Crimetime Saturday
  • - 9:00-10:00 PM Crimetime Saturday
  • - 10:00-11:00 PM 48 Hours Mystery (Season Premiere)

Sunday, Sept. 26

Tuesday, Sept. 28

Sunday, Oct. 3