Two CBS series get hourlong launches

CBS has announced its new fall line-up launch dates, but here's the big news: Two growing hits, "The Big Bang Theory" and "How I Met Y our Mother," will get what amounts to an hour launch in September, with back-to-back half  hours.  

Here's the line-up and mark the week of Sept. 19 on your calenders:  

Wednesday, Sept. 14
8 to 9 p.m., "Survivor: South Pacific, 23rd edition premiere.

Monday, Sept. 19
8 to 8:30 p.m. "How I Met Your Mother, " seventh season premier.

8:30 to 9 p.m.,  "How I Met Your Mother."

9 to 9:30 p.m., "Two and a Half Men," ninth season premiere.

9:30 to 10 p.m.,  "2 Broke Girls," series debut.

10 to 11 p.m., "Hawaii Five-0," second season premiere.

Tuesday, Sept. 20
8 to 9 p.m., "NCIS," ninth season premiere.

9 to 10 p.m. "NCIS: Los Angeles," third season premiere.

10 to 11 p.m., "Unforgettable," series debut.

Wednesday, Sept. 21
9 to 10 p.m., "Criminal Minds," seventh season premiere.

10 to 11 p.m, 10 to 11 p.m. "CSI: Crime Scene Investigation, 12th season premiere.

Thursday, Sept. 22
8 to 8:30 p.m., "The Big Bang Theory," fifth season premiere.

8:30 to 9 p.m., "The Big Bang Theory."

9 to 10 p.m., "Person of Interest," series debut.

10 to 11 p.m., "The Mentalist," fourth season premiere.

Friday, Sept. 23
8 to 9 p.m., "A Gifted Man," series debut.

9 to 10 p.m., "CSI: NY," eigth season premiere.

10 to 11 p.m., "Blue Bloods," second season premiere.

Saturday, Sept. 24
8 to 8:30 p.m., "Rules of Engagement," sixth season premiere.

8 to 9 p.m., "Comedytime Saturday"

9 to 10 p.m. "Crimetime Saturday"

10 to 11 p.m., "48 Hours Mystery," season premiere.

Sunday, Sept. 25
7 to 8 p.m., "60 Minutes," 44th season premiere.

8 to 9 p.m., "The Amazing Race," 9th edition premiere.

9 to 10 p.m., "The Good Wife," third season premiere.

10 to 11 p.m., "CSI: Miami," 10th season premiere.

Monday, Sept. 26
8:30 to 9 p.m., "2 Broke Girls," time period premiere.

9:30 to 10 p.m., "Mike & Molly," second season premiere.

Thursday, Sept. 29
8:30 to 9 p.m., "How to be a Gentleman," series debut.

Photo: Kunal Nayyar, Simon Helberg and Jim Parsons in a scene from "The Big Bang Theory."