A meeting in a London bus with jewel thief Lady Christina takes a turn for the worse for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.

Cast:David Tennant, Michelle Ryan, Lee Evans, Noma Dumezweni, Adam James, Glenn Doherty,

Genre:Science Fiction, TV Movie, Thriller, Fantasy, Mystery,

country:United Kingdom,

Production:BBC Cymru Wales,