Not quite the list I would have put together,suprised to see Torchwood in there.
Pic changed at Nay Gevara's request. :)
The space sitcom, which starred Craig Charles, ran for 10 years and was a cult hit.
It topped a poll of 3,000 Radio Times readers - who were barred from choosing Doctor Who because it was "too obvious".
The X Files was second, followed by Lost, Life On Mars and Buffy The Vampire Slayer.
Radio Times editor Gull Hudson said: "Seeing Life On Mars and Lost in the top 10 was no surprise - they are perfect examples of `unreality TV` which is becoming one of the defining trends of the Noughties.
"But Red Dwarf at number one? That did surprise us. It hasn`t even been on TV this century.
"By taking Doctor Who out of the running - which usually wins every sci-fi and fantasy show poll going - we`ve obviously blown the field wide open. But it also goes to show the kind of long-term loyalty that these shows inspire."
Star Trek: The Next Generation, starring Patrick Stewart as Captain Jean-Luc Picard, was sixth - two places ahead of the original Sixties series.
The top 20 also featured The Hitch-Hiker`s Guide To The Galaxy, Quantum Leap, Twin Peaks, Battlestar Galactica and new show Heroes.
1 Red Dwarf
2 The X Files
4 Life On Mars
5 Buffy The Vampire Slayer
6 Star Trek: The Next Generation
7 Stargate SG-1
8 Star Trek
9 The Hitch-Hiker`s Guide To The Galaxy
10 Quantum Leap
12 Blake`s 7
13 Twin Peaks
16 Babylon 5
17 The Prisoner
18 Battlestar Galactica
20 Lost In Space