When the Doctor, Polly and Ben visit a human colony that appears to be one big holiday camp, they think they have come across a truly happy place. But a shadowy presence soon makes them realise that the surface contentment is carefully...
When the Doctor and Mel arrive in the Space Trading Colony, Iceworld, the Doctor can feel that there is mischief afoot. And he and Mel don’t have to wait long before they discover the culprit, for there in the Refreshment Bar they meet up with...