Your host Toby Hadoke to work himself up to do this one - a story he has always enjoyed (and really had a good time with in his book Running Through Corridors). This time though, it felt like it was going to be a chore as it is all telesnaps and guesswork. So he grits his teeth and off he goes, with the delightful and insightful Michael Dennis - playwright and theatre fellow - as company... and boy are the results worth it. Not a story many people talk about, The Macra Terror, and that's a shame, because there's a lot to like. There's also a lot to guess!