Episode 1
Episode: 1x01 | Airdate: Sep 25, 1972
A fisherman who knows more than he's telling; men with binoculars and a fast American car; and waiting out at sea a man with a high-powered rifle...
Episode: 1x01 | Airdate: Sep 25, 1972
A fisherman who knows more than he's telling; men with binoculars and a fast American car; and waiting out at sea a man with a high-powered rifle...
Episode: 1x02 | Airdate: Oct 2, 1972
John's father has disappeared and the police don't seem interested. John and Susan decide to solve the mystery for themselves, but they don't know someone is watching them, all the time...
Episode: 1x03 | Airdate: Oct 9, 1972
John catches sight of his father again, with three other men: he also sees the police in pursuit. The chase is on!..
Episode: 1x04 | Airdate: Oct 16, 1972
Hot on the trail, John and Susan have no way of knowing that the motorcyclist just behind them is one of the gang...
Episode: 1x05 | Airdate: Oct 23, 1972
John and Susan are trapped. Can they find a way out?...
Episode: 1x06 | Airdate: Oct 30, 1972
John and Susan may think they have escaped, but the man with the motorbike is waiting...
Episode: 1x07 | Airdate: Nov 6, 1972
Just when John and Susan's situation seems hopeless, a jet-boat speeds out across the lake...
Episode: 1x08 | Airdate: Nov 13, 1972
A mountain in Cumberland: the tables are turned on the motorcyclist, but what will John and Susan tell the police?
Episode: 1x09 | Airdate: Nov 20, 1972
When John overhears his father talking to Selby it sounds as though he's joined the gang after all...
Episode: 1x10 | Airdate: Nov 27, 1972
Yorkshire: John gets himself into a desperate situation, and Susan is alone in a car she cannot drive!...
Episode: 1x11 | Airdate: Dec 4, 1972
Kessler and Bowers are in Edinburgh. John and Susan don't know why, but they do know that something is going to happen very soon - during the Military Tattoo...
Episode: 1x12 | Airdate: Dec 11, 1972
As Kessler presses the trigger a plan goes into operation worth half a million pounds; and John and Susan seem powerless to stop it...
Episode: 1x13 | Airdate: Dec 18, 1972
A quiet Scottish cove: a fast cruiser: a fake ambulance... and a race against time...