Until Assassin, Series D has relied on writers who have written for Blake’s 7 before. Positioning a new one in the middle of the series probably felt safer, especially as Rod Beacham was not an experienced television writer, but looking back at the first half of Series D this hardly mattered. Considering the overall series …

Headhunter was the most fun I’ve had all series. I loved that even the title confounded my expectations – I was expecting a bounty hunter to come after Team Avon, so to have an actual head was marvellous. I really enjoyed Blake’s 7 as a horror film, with various familiar aspects from the genre to …