A big step up from the first stage play, feels a lot more like a Third Doctor television story thanks to Terrence Dicks. It has a nice energy to it, even if it’s ripping off other stories left right and centre. I love Trevor Martin’s portrayal as the Doctor. He captures something of Patrick Troughton’s performance in my opinion. I wish I could have seen it on stage!

Did anyone else think that The Doctor should have headed back to Gallifrey with the first 6 keys, seeing as the 7th seemed to have its own sufficient defence mechanism?