Blasphemy...
Blake's 7 was late 70's and Red Dwarf was a decade later. I didn't actually watch Blakes's 7 so I can't comment but don't mess with the boys from the Dwarf.
How about another classic (old) sci-fi comedy with even more wobbly bbc sets and dodgy special effects. The HitchHikers Guide to the Galaxy (the best source for advice on those who wanted to see the universe "on less than 30 Altairian dollars a day.") the original TV series, based on the book, based on the radio play.
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