Sir Arthur Conan Doyle - Season 1 (1967)

An Oxford athlete notices a strange series of events surrounding an Egyptology student who owns many ancient Egyptian artefacts, including a mummy.

A young Welsh medical student enters the boxing ring to fight for a cash prize that will enable him to establish his own practice.

Physiologist Ainslie Grey believes that love is merely a combination of chemical reactions and bodily processes. However, his sister's fiance reveals a past marriage to a woman who, unbeknownst to him, is now married to Grey.

Tom and his girlfriend Vicky take a trip up the Eiffel Tower but their holiday takes a horrible turn when the lift stops abruptly on the way down...

Young doctor Tom Crabbe has just settled his medical practice in the small town of Bridport. Unfortunately, there are already too many doctors in town, and no patient comes to him, so he and a friend cook up a story to convince the townsfolk to see him.

Lee Monkhouse takes a job as a tutor at a boys' school but all is not as it seems. The headmaster appears to be hiding something, while one of the other tutors, Theophilus St. James, terrorises the students...

Sir Dominic Crabbe invites his nephew Tom to his secluded, rural manor house for an undisclosed purpose. On arrival, Tom discovers his uncle is being haunted by a strange apparition that torments the household and has already led to the death of the maid...

Enjoying a break in Wales, Philip Hardacre meets the mysterious and beautiful Julia Lambert. But when he tries to relocate to a secluded house near the Cader, Julia become fearful and tries to persuade him otherwise...

In Rome, Lee has discovered a new catacomb, rumours of which attract his rival Hugo Danvers. Lee refuses to give up the secret unless Danvers trades one of his own.

Burglar Bates fiercely protests his innocence when accused of the murder of Lord Mannering in his stately home. When Tom refuses to help the man prepare his case, Vicky steps in.

Vicky's friend Frances Norton is dumbfounded when her beloved fiancée Manuel Lana calls off their engagement without notice. Shortly after, he is found dead in his surgery, and Inspector Lavender’s suspicions falls on Frances' brother Arthur.

Answering a peculiar advertisement for a doctor and entomologist, Philip is hired by the sinister Lord Linchmere to befriend his brother-in-law, Sir Thomas Rossiter, a famous and reclusive beetle hunter.

The Crabbes are joined in Brisport by Lee and psychical researcher Harvey Deacon. Though Vicky is dismissive of spiritualism, she is discomforted when they attend a séance with frustrated local artist Oliver Mountjoy Bunn, which takes a terrifying turn.