Sci-Fi and Fantasy Shows
New:
True Blood (HBO), Sept. 7 9pm
Fringe (Fox), Sept. 9 8pm
Merlin (BBC1), Sept. 20 7:30pm (NBC to air in January)
Valentine (CW), Sept. 21 8pm
The Mentalist (CBS), Sept. 23 9pm
Knight Rider (NBC), Sept. 24 8pm
Sanctuary (Sci-Fi), Oct. 3 9pm
Life on Mars (ABC), Oct. 9 10pm
Eleventh Hour (CBS), Oct. 9 10pm
My Own Worst Enemy (NBC), Oct. 13 10pm
Crusoe (NBC), Oct. 17 9pm
Legend of the Seeker (Syndicated), Nov. 1 (WGN will broadcast)
Capricia (Sci-Fi), December
Dollhouse (Fox) January
Kings (NBC), January
The Listener (NBC), January
Returning:
Saving Grace (TNT), July 14 10pm
Psych (USA), July 18 9pm
Eureka (Sci-Fi), July 29th 9pm
Primeval (BBCA), Aug. 9
Stargate: Atlantis (Sci-Fi), Aug. 29 10pm
Terminator: The Sarah Connor Chronicles (Fox), Sept. 8 8pm
Smallville (CW), Sept. 18 8pm
Supernatural (CW), Sept. 18 9pm
Heroes (NBC), Sept. 22 9pm (8pm Season 2 recap episode)
Chuck (NBC), Sept. 29 8pm
The Sarah Jane Adventures (BBC1), Sept. 29 4:35pm (Unknown if Sci-Fi will pick up)
Pushing Daisies (ABC), Oct. 1 8pm
Ghost Whisperer (CBS), Oct. 3 8pm
24 (Fox), January
Galactica (Sci-Fi), January
Lost (ABC), January
Medium (NBC), January
Reaper (CW), January
Torchwood (BBCA), Spring 2009
Robin Hood (BBCA), 2009
Doctor Who (Sci-Fi), Summer 2010
Cancelled:
Amsterdam (NBC)
Bionic Woman (NBC)
Blood Ties (Lifetime)
Flash Gordon (Sci-Fi)
Jericho (CBS)
Journeyman (NBC)
Moonlight (CBS)
This is what I have right now.
Edit: Further updates and corrections