Cabin Pressure is set in the wing and prayer world of a tiny, one-plane airline, staffed by two pilots, one on his way down, and one who was never up to start with. In this, the finale of the whole series, we discover that for MJN Air, whether it’s choosing an ice-cream flavour, putting a princess in a van or remembering your grandmother’s name, no job is too small, but, many, many jobs are too difficult.

Carolyn Knapp-Shappey, MJN Air’s formidable boss, has employed two of the very cheapest pilot’s money can buy. Captain Martin Crieff, who’s always wanted to fly and won’t let a little thing like lack of ability stop him, and First Officer Douglas Richardson, smooth-voiced old sky-god and eternal schemer. Passenger service is provided by the relentlessly cheerful Arthur, proud inventor of both Surprising Rice and his own hat.