Ep. 20: Moriarty's gang steals gold while Lestrade hinders their escape from London
Aired on April 2, 1985

Moriarty and his associates successfully acquire a shipment of gold, yet Inspector Lestrade’s persistent investigation complicates their efforts to transport the stolen wealth out of London. Concurrently, Hound and Watson examine a suspicious burglary and robbery at a firm developing a new blimp. The narrative juxtaposes the gang's struggle to evade law enforcement with the detectives' inquiry into the unusual crime at the aviation company.
Episodes
- Ep. 16 · Hound investigates the mysterious theft of the Sacred Sword of the Wizards during its unveiling.
- Ep. 17 · Investigation into the River Thames Monster Attacks and Missing Passenger
- Ep. 18 · Hound searches for three missing French art students in London while Lestrade investigates stolen reproductions
- Ep. 19 · The Rosetta Stone floats away from the British Museum prompting Hound's investigation
- Ep. 20 · Moriarty's gang steals gold while Lestrade hinders their escape from London
- Ep. 21 · A new thief targets the Queen's favorite horse in London
- Ep. 22 · Moriarty Sabotages the World Flight Championship While Rivals Attempt to Stop Him
- Ep. 23 · Hound investigates the unusual theft of a parrot by Moriarty from a train
- Ep. 24 · Hound conceals the theft of Big Ben's bell to protect national dignity