René and his staff prepare the long-distance duck for its vital flight to England.

René is in even more trouble as the generals gather round at the chateau.

Chaos engulfs René as he attempts to hide the stolen gold. Meanwhile, the Resistance plan to steal the Enigma encoder.

Michelle comes up with an audacious escape plan for the British airmen involving a barrage balloon and 24 cylinders of helium disguised as prize-winning marrows.

Newly-weds Fanny and Leclerc are sent to jail by the Germans for flying around in a bed attached to a balloon. Edith decides they have to be rescued - much to René's horror. But her plans are thwarted by a loose bed knob.

The Colonel, Gruber and Bertorelli desperately try to stop General Von Flockenstoffen's suicidal plan to kidnap Churchill.