The ambulance team's new, two-wheeled rapid response unit is called upon.

Sarah tries to track down a distressed and abusive man, Stuart is called to investigate a cargo of parrots, and the victims of the tsunami disaster are honoured with a three-minute silence.

An angry crocodile and the planned arrival of an Oscar-winning actress cause a stir as the docusoap set at Heathrow wings its way back to our screens.