(The Doctor is twirling a large, colourful beach umbrella, and singing.)

DOCTOR: Oh, I do like to be beside the seaside, I do like to be beside the sea.

(The Doctor and Bellal walk along to an apparent dead end, then a panel slides up beside them revealing a new corridor with a patterned floor half way along it. They enter and the panel closes again as they make their way to the patterned area.)

DOCTOR: Stop. Don't move!