Marcus Welby, M.D. - Season 6 Episode 3 Last Flight to Babylon
Overview: Len Dalton is unable to secure a position as a pilot, fearful of losing the affections of his girlfriend and suffering from post-operation depression, he contemplates suicide. After visiting Dr. Welby for a checkup, Dalton tries to persuade Consuelo to give him some sleeping pills. When his pleading fails, he obtains the drug from another source and tries to end his mental anguish forever.