The shortest season in the show's run details the adventures of the crew after their return to naval service, following their brief stint as civilians at Troutbridge TV in The TV Lark.
- S05E01: First Day out of Dock
- S05E02: The New Barmaid
- S05E03: A Deliberate Bashing
- S05E04: Whittlesea Regatta
- S05E05: HMS Troutbridge Gets a Rocket
- S05E06: The Ghost Ship