War rages in the caves of Androzani, on a planet in the distant future.

When the Doctor visits ancient Rome, he is mistaken for an enemy of Nero.

Slave traders capture Ian and Barbara.

The Doctor discovers a starship trapped in a time warp over the planet. Meanwhile, public schoolboy and secret alien Turlough crashes his math teacher's vintage car. The Black Guardian makes him an offer.

The newly regenerated fifth doctor must rely on his friends to survive the generation.

The Tardis materialises on a massive Urbankan starship filled with ancient ethnic groups.

The Kinda is apparently a primitive tribe but three team members have already vanished.