B.A'.s friend is held in a prison where the warden holds fight-to-the-death-boxing matches whose winner receives short-lived freedom.

A gripping docudrama about a mysterious, highly lethal disease which struck a village in Nigeria in 1969, and the frustrating, seesaw battle against it. NOVA recounts how public health workers came perilously close to accidentally releasing a deadly virus in the US.

The Doctor discovers a starship trapped in a time warp over Earth. Meanwhile, public schoolboy - and secret alien emigr? - Turlough learns he can have that which he most desires, in return for the murder of the Doctor...