These are listings for upcoming science fiction TV show premiere dates. [via sftv.org]

The Vampire Diaries (The CW) Sept 10 (Series Debut)
Supernatural (The CW) Sept 10 (Season Five)
Robin Hood (BBC America) Sept 12 (Season Three)
Bones (FOX) Sept 17 (Season Five)
Fringe (FOX) Sept 17 (Season Two)
Heroes (NBC) Sept 21 (Season Four)
Castle (ABC) Sept 21 (Season Two)
CSI: Miami (CBS) Sept 21 (Season Eight)
CSI: NY (CBS) Sept 23 (Season Six)
Eastwick (ABC) Sept 23 (Series Debut)
Flash Forward (ABC) Sept 24 (Series Debut)
CSI (CBS) Sept 24 (Season Ten)
The Mentalist (CBS) Sept 24 (Season Two)
Ghost Whisperer (CBS) Sept 25 (Season Five)
Smallville (The CW) Sept 25 (Season Nine)
Dollhouse (FOX) Sept 25 (Season Two)
Medium (CBS) Sept 25 (Season Six)
Numb3rs (CBS) Sept 25 (Season Six)
Desperate Housewives (ABC) Sept 27 (Season Six)
Dexter (Sho) Sept 27 (Season Four)
Star Wars Clone Wars (Cartoon) Oct 2 (Season Two)
Stargate Universe (SyFy) Oct 2 (Series Debut)
Sanctuary (SyFy) Oct 9 (Season Two)
Sarah Jane Adventures (BBC/CBBC) Oct 9 (Season Three)
Battlestar Galactica: The Plan (SyFy) Oct 27 (Movie Debut – direct to DVD)
V (ABC) Nov 3 (Series Debut)
Legend of the Seeker (Syn) Nov 7 (Season Two)

Sarah Jane Adventures (BBC/CBBC)      Oct   9 (Season Three)