Dr. Finlay's Casebook: Unfit to Marry

"Unfit to Marry" is the 13th 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 24th, 1967.