Happy Times and Places 15.3 - Kinda 3

Well, it's not the most straightforward of Doctor Who episodes, this. There's not really anything like much of this in the rest of Doctor Who's canon. So which part of it will be selected by special guest - and creator of The Bay, writer on Being Human - Daragh Carville. He is frankly spoilt for choice, but he had better choose quickly, because time is running out.... Wheel turns...