Al fails his test for renewing his license on the same day Kelly gets hers.

Racial violence threatens to break out at an integrated school when word leaks out that a white student got a black student pregnant.

Wales, 1959. A top-secret US satellite has mysteriously gone missing. This could have something to do with the arrival of a party of alien tourists en route to Disneyland, amongst their number Mel and the Doctor, and the Queen of the Chimerons - who's fleeing the Bannermen and their genocidal leader Gavrok...