Dr. Finlay's Casebook: Oak, Mahogany or Walnut

"Oak, Mahogany or Walnut" is the 17th episode of season seven 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 June 29th, 1969.