When a body is found at the scene of a car crash, Professor T investigates and finds some uncomfortable resemblances to his own situation.

Professor T is desperate to get back to his work when he is called on by the police to investigate a series of unexplained deaths.

Professor T must prove his innocence when he comes under suspicion after a murder at a criminology conference.

A murder investigation propels the team to London in pursuit of their suspects.

An unmanned spaceship hurtles towards certain destruction – unless the Doctor can save it, and its impossible cargo… of dinosaurs! By his side a ragtag gang of adventurers; a big…