The Unknown Factor
- Episode aired Jul 5, 1968
![The Expert (1968)](https://m.media-amazon.com/images/M/MV5BNWYyZDY3ZmEtZGI2Ny00NGM2LThmZTUtM2YxYzEzZWY1ZTg4XkEyXkFqcGdeQXVyMjUyNDk2ODc@._V1_QL75_UY281_CR10,0,190,281_.jpg)
Three bullets, a dead man, and £50,000 in insurance. Troubles arise when Dr. Hardy discovers the Unknown Factor.Three bullets, a dead man, and £50,000 in insurance. Troubles arise when Dr. Hardy discovers the Unknown Factor.Three bullets, a dead man, and £50,000 in insurance. Troubles arise when Dr. Hardy discovers the Unknown Factor.