The Priory School

S1 : E2 | TV-PG | 55 min | Aired: 07.16.86

Holmes is called on when the young heir of a reticent duke goes missing from his exclusive prep school.

The Second Stain

S1 : E3 | TV-PG | 53 min | Aired: 07.23.86

The Prime Minister asks Holmes to help recover a stolen letter which could lead to war if released.

The Musgrave Ritual

S1 : E4 | TV-PG | 55 min | Aired: 07.30.86

Holmes is challenged to decipher the mystery of an obscure family document detailing an enigmatic ritual.

The Abbey Grange

S1 : E5 | TV-PG | 54 min | Aired: 08.06.86

Holmes is called to a manor house to investigate the death of a country lord who was murdered with a poker.

The Man with the Twisted Lip

S1 : E6 | TV-PG | 55 min | Aired: 08.13.86

Holmes investigates the disappearance of a respectable city man who has been spotted in an opium den.

The Six Napoleons

S1 : E7 | TV-PG | 55 min | Aired: 08.20.86

Inspector Lestrade asks Holmes for help after police are baffled by a series of burglaries serving only to steal and smash identical busts of Napoleon.

The Sign of Four

S1 : E8 | TV-PG | 108 min | Aired: 12.29.87

Mary Morstan has received a pearl in the post every year since her father's disappearance. When she is summoned to meet her mysterious benefactor, Holmes and Watson accompany her.

The Devil's Foot

S1 : E9 | TV-PG | 54 min | Aired: 04.06.88

In Cornwall, Holmes is meant to be on a recuperative break but investigates when a woman mysteriously dies with a horrified look on her face.

Silver Blaze

S1 : E10 | TV-PG | 54 min | Aired: 04.13.88

When the most remarkable racehorse in England goes missing and its trainer is murdered, Holmes investigates.

Wisteria Lodge

S1 : E11 | TV-PG | 55 min | Aired: 04.20.88

An amateur cartographer visiting another map enthusiast seeks help when his host vanishes overnight.

The Bruce-Partington Plans

S1 : E12 | TV-PG | 56 min | Aired: 04.27.88

Holmes helps Mycroft when stolen top secret blueprints for a submarine are found on the body of a civil servant — discovered dead on the tracks of the Underground.

The Hound of the Baskervilles

S1 : E13 | TV-PG | 106 min | Aired: 08.31.88

Sir Charles Baskerville is found horrified and dead after seeing a mysterious demonic spirit of a gigantic hound that has haunted his family.