A top-secret KX20 mini-computer is stolen from Healy
Automation by Dreisenberg agents and plans are made for the ambassador to
smuggle it from the country. Diplomatic immunity leaves the police and
Secret Service powerless to act. The only chance of retrieving the
mini-computer lies with Special Agents Father Stanley Unwin and Matthew
Father Unwin employs a unique device to shrink Matthew down to two feet
tall and transports him in a specially designed suitcase to London
Airport, where Father Unwin poses as a member of the maintenance staff
in order to get Matthew close to the plane that will carry to Ambassador
back to Dreisenberg the following morning.
In his miniturised form, Matthew sneaks aboard the plane through an open
panel in one of the port engines. He manages to remain undetected during
inspections the next morning, and the plane takes off with him on
Using specialised radios, Matthew and Father Unwin are able to contact
each other, and Father Unwin sets off to rendezvous with the plane at
On board the plane, Matthew shuts down one of the engines on the plane.
The pilot makes the decision to return to London. Matthew then shuts
down a second engine, and the plane is diverted to Oakington Airport in
order to make an emergency landing.
Father Unwin collects Matthew from the plane, before the Ambassador
opens the door of the plane. Father Unwin uses the Minimiser to shrink
the Ambassador, then demands the return of the computer in exchange for
returning the Ambassador to his normal size. The Ambassador's aide
denies all knowledge of the computer, but the Ambassador pushes the case
containing the computer over the edge of the plane and into Father
Returned to his normal size, the Ambassador and his aide steal a police
car and set off after Father Unwin. Matthew manages to keep them at
bay by shooting at them whilst Father Unwin heads for home and
Father Unwin manages to shake the Ambassador at the gate to his house,
and the computer is returned to its rightful owner.
Written by Gerry & Sylvia Anderson
Directed by Alan Perry
Transmission date: 21 September 1969
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