Veteran vaudevillian regales the audience with highlights from his comedy travel monologue and introduces "His Modern Art Choir," A Russian group he met while traveling in the Soviet Union who sing a traditional Russian song and an American standard.

An immigrant has become a mailman on Radio Row. One of his first duties is to deliver letters to Bunny Poe, Vera Van, Ramon & Rosalie and George Jessel. Each of them is doing a specialty, except for Jessel, who's been interrupted in his rehearsal by a fellow who wants him to appear on a benefit for starving "moonlight-song writers". Jessel accepts and tells his mother that he won't be home for dinner, until he is told that the benefit is not in town but in Philadelphia. But the fellow has a pretty secretary...

A time capsule of the L.A. comedy scene in the 1970s, "Diary of a Young Comic" casts Richard Lewis as a fictionalized version of himself - a young New York comic who comes out to Los Angeles to seek his fame and fortune.