'Fatso' Johnson is in hiding on his birthday, but the crew's attention is diverted when they find a treasure map. The show was recorded before an audience crew of real sailors.
Stars Jon Pertwee as the Chief Petty Officer, Leslie Phillips as the Sub-Lieutenant, Stephen Murray as the Number One, Ronnie Barker as Able Seaman Johnson and Richard Caldicote as Captain Povey.
Laughs afloat aboard British Royal Navy frigate HMS Troutbridge. The Navy Lark ran for an impressive thirteen series between 1959 and 1976
Scripted by Lawrie Wyman
Producer: Alastair Scott Johnston.
First broadcast on the BBC Light Programme in December 1960.