2005 | 5 Episodes

Season 1 of NOVA scienceNOW premiered on January 25, 2005.

2006 | 5 Episodes

Season 2 of NOVA scienceNOW premiered on October 3, 2006.

2008 | 10 Episodes

Season 3 of NOVA scienceNOW premiered on June 25, 2008.

2009 | 8 Episodes

Season 4 of NOVA scienceNOW premiered on June 30, 2009.

2011 | 6 Episodes

Season 5 of NOVA scienceNOW premiered on January 19, 2011.

2012 | 6 Episodes

Season 6 of NOVA scienceNOW premiered on October 10, 2012.