Plot hole: Avon drills the last hole through the bomb's tubing and then, with the drill still in place, has to hunt down the dropped rod needed to block the plunger. Tense drama ensues while it's found and inserted, though simply leaving the drill bit in there would have worked just as well. (00:44:55)
Blake's 7 (1978)
1 plot hole in Countdown - 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