This is a list of my top ten SF TV Series in date order.  There are a few honourable mentions at the end.  Some series age better than others; I really enjoyed the original Battlestar Galactica in 1980, but I was 13 then, and more forgiving than now.  I may have forgotten some gems, so feedback is always welcome, via earthsider @gmail.com

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Dr Who (1963-1989; 2005- )

Lost in Space (1965-68)

Star Trek (1966-69)

Blake’s 7 (1978-1981)

Red Dwarf (1988-1999)

Dark Angel (2000-2002)

Star Trek Enterprise (2001-2005)

Firefly (2002)

Battlestar Galactica (2003-2009)

Journeyman (2007)

Honourable Mentions

Hitchhiker’s Guide to the Galaxy (1981)

Star Trek Voyager (1995-2001)

The Lost Room (2006)