Updated May 24, 2010
Caprica -- The second half of season 1 airs later in the year.
Chuck -- Currently airing season 3. RENEWED for season 4 in May 2010.
Defying Gravity -- CANCELED. ABC swore that it wasn't canceled when it fell off the schedule in early September before completing its run. But you know what? It was canceled. Last episode aired Sep. 13, 2009.
Dollhouse -- CANCELED in November 2009. Last episode aired Jan. 29, 2010.
Eastwick -- CANCELED in November. Last episode aired Dec. 30, 2009.
Eureka -- RENEWED in July 2009. Season 4 will air in summer 2010 starting July 9.
FlashForward -- The initially limited order for season 1 was extended to a full season in October 2009. CANCELED due to declining ratings in May 2010.
Fringe -- RENEWED for a third season in March 2010.
Futurama -- RESURRECTED as of June 2009. New episodes begin June 24.
Ghost Whisperer -- Currently airing season 5. CANCELED in May 2010 by CBS, but may be picked up by ABC.
Heroes -- Season 4 ended in February 2010. Season 5 was widely rumored but unconfirmed by NBC. CANCELED by NBC in May 2010, but with talk of a conclusion TV movie around midseason 2010-2011.
Krod Mandoon and the Flaming Sword of Fire -- In limbo. After season 1 aired, it was reported canceled, but the BBC, which coproduces, says it is not canceled.
Legend of the Seeker -- CANCELED after the failure of its syndication deal in early May 2010, though fans are attempting to save the show.
Medium -- Currently airing season 6. RENEWED by CBS in May 2010.
Outer Space Astronauts -- 5 episodes aired in December 2009. No further announcement was made about the program's future.
Past Life -- CANCELED in February 2010. Last regular episode aired Feb. 18, 2010, but remaining episodes will be burned off in the summer starting May 28, 2010.
Sanctuary -- RENEWED in December 2009. Season 3 will air Fall 2010.
Smallville -- RENEWED for a 10th season in March 2010.
Stargate Universe -- RENEWED in December 2009. Season 2 will air Fall 2010.
Supernatural -- RENEWED in February 2010. Season 6 will air in Fall 2010.
The Vampire Diaries -- RENEWED in February 2010. Season 2 will air in Fall 2010.
True Blood -- RENEWED in August 2009. Season 3 begins June 13, 2010.
V: The Series -- RENEWED for a 13-episode season 2 in May 2010.
Warehouse 13 -- RENEWED in August 2009. Season 2 will air in summer 2010 starting July 6.
-- Season 2 and 3 of the original UK series will air on BBC America starting in July
. An American adaptation
will also air on Syfy later in the year.
Demons -- The UK series ended after the 6-episode first season.
Doctor Who -- Currently airing season 5.
Merlin -- RENEWED for a third season in Britain. Season 2 has already aired there. Seasons 1 and 2 will air in succession on Syfy starting in April 2010.
Primeval -- RENEWED for a 4th and 5th season in the UK in September 2009, to air there starting in 2011. As BBC Worldwide is involved in the deal, airing on BBC America will be included.
Survivors -- Currently airing season 2 in the UK. Seasons 1 and 2 are currently airing on BBC America.
The Sarah Jane Adventures -- Season 4 airs in fall 2010.
Torchwood -- An American adaptation is being shopped by BBC Worldwide after Fox passed.