1998 | 7 Episodes

Season 1 of Alpha Centauri premiered on September 27, 1998.

1999 | 26 Episodes

Season 2 of Alpha Centauri premiered on January 3, 1999.

2000 | 26 Episodes

Season 3 of Alpha Centauri premiered on January 2, 2000.

2001 | 26 Episodes

Season 4 of Alpha Centauri premiered on January 7, 2001.

2002 | 26 Episodes

Season 5 of Alpha Centauri premiered on January 6, 2002.

2003 | 25 Episodes

Season 6 of Alpha Centauri premiered on January 5, 2003.

2004 | 26 Episodes

Season 7 of Alpha Centauri premiered on January 7, 2004.

2005 | 26 Episodes

Season 8 of Alpha Centauri premiered on January 5, 2005.

2006 | 26 Episodes

Season 9 of Alpha Centauri premiered on January 4, 2006.

2007 | 3 Episodes

Season 10 of Alpha Centauri premiered on January 3, 2007.