Dr. Finlay's Casebook: Death Is a Colony

"Death Is a Colony" is the 11th episode of season five of the British medical drama, Dr. Finlay's Casebook, and the twenty-first episode of the series overall. It was directed by George Spenton-Foster with a teleplay written by Alistair Bell. It first aired on BBC One in the United Kingdom on December 11th, 1967.