- The last one was dropped 2006-02-02 on CBS. How many seasons are on the show? "Threshold". 1. Series release date. 17 september 2005.
- Threshold was a science fiction drama television series that first aired on CBS in September 2005.
- Watch "Threshold" (Science-Fiction & Fantasy, Drama, Action & Adventure, 2005-2006), online, buy or rent and start right away.
- 2005 - 2006 NR 1h 00m 7.2. ... Aired: Jan 18, 2006. As the Threshold team tracks down the source of an infection and another memb...
- More Information on Threshold. Threshold was a science fiction drama television series that first aired on CBS in September 2005. ... Sep 16, 2005 - Feb 1, 2006.
- Threshold is an American science fiction drama television series that ran on CBS from September 16 to November 22, 2005.
- Threshold is released in 2005. Watch Threshold all seasons full episodes online - the English Action TV series from United States.
- Threshold (2005) | A team of experts are assembled after the U S Navy discovers an extra terrestrial object briefly appeared near a ship in the Atlantic Ocean ...
- Threshold (2005) A team of experts is assembled when the U.S. Navy makes a chilling discovery: An extraterrestrial craft has landed in the mid-Atlanti...