Dr. Finlay's Casebook: Criss-Cross

"Criss-Cross" is the 1st 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 November 21st, 1967.