Plot hole: When the newly-acquired Orac is first set up on the flight deck, Blake comments that "the other end's connected." Connected to what? Orac didn't require plugging in, other than putting his activator key in place, and that was never connected to anything else. (00:46:45)
Blake's 7 (1978)
1 plot hole in Orac - chronological order
Starring: Jan Chappell, Michael Keating, Paul Darrow, Peter Tuddenham
Revealing mistake: The double-bladed axe one of the Decimas uses to attack the station windows is wobbling as he strikes with it. Small wonder he's not getting far at breaking in, with a weapon made of rubber. (00:22:30)
More trivia for Blake's 7