So on the one had this is a lovely story of Marco Polo in a late-life crisis and coming to terms that most of the things he is proud of in life have been forgotten, as things often are. Marco is acted wonderfully by Terry Molloy, and him and his life companion Tonio are very nice characters to hear about. That story could have been a 5/5.

Sadly, auntie Iris is here. I have come to the conclusion that I just don't enjoy her wacky hijinks. Not that Iris is a bad character or anything, she's just not for me. This, however, makes it incredibly boring for me to listen to the Doctor's and Iris's bodyswap antics. Some jokes are fun, but in general with Iris I always feel like Magrs is going for humour so specific it is lost on me. I think that story is a failure, as other than antics and hijinks the story doesn't achieve any kind of new character insight into either Iris or the Doctor, something I would have expected from a body swap story.

So, in total: 2.5/5.