The Girl from Auntie: Steed returns home to find Mrs Peel has been replaced by an actress. He finds himself following a group who can get anything for the right price. (S4 Ep18)
Dial a Deadly Number: Businessmen start dropping dead across the city, apparently from natural causes. Can Steed and Peel uncover the true nature of their deaths and find the culprit? (S4 Ep4)
The Master Minds: A government minister is wounded as he and other ministers try to steal top secret documents. Foul play and hypnosis are suspected when no one can remember why they did it. (S4 Ep3)
The Town of No Return: Steed and Emma are on the case as they visit a mysterious coastal town where several agents have recently vanished, and the locals are not what they may at first seem. (S4 Ep1)
Honey for the Prince: Two agents are shot, with one surviving long enough to clue-in Steed and Peel. They soon realise that someone is after Prince Ali of Barabia who is visiting London. (S4 Ep26)
A Sense of History: Economist James Broom is shot by an arrow on the way to meet a man opposed to his utopian vision of Europe. Is a group of anarchic students responsible? (S4 Ep24)
The House That Jack Built: Emma Peel is the beneficiary of a generous inheritance - an old house from an Uncle Jack she did not know even existed. But some things are too good to be true. (S4 Ep23)
What the Butler Saw: Steed goes undercover at a Butler school and Peel attempts to seduce an RAF playboy, as the two try and unearth the leak of government secrets. (S4 Ep22)
A Touch of Brimstone: Modern libertine John Cleverly Cartney is the head of a modern interpretation of the Hellfire Club. The Club plans to incite chaos by killing foreign Prime Ministers. (S4 Ep21)
Eleven businessmen have been mysteriously murdered, leaving their affairs to their able secretaries. The investigation leads Peel to J.J. Hooter, who soon becomes the next to die. (S4 Ep25)
A Sense of History: Economist James Broom is shot by an arrow on the way to meet a man opposed to his utopian vision of Europe. Is a group of anarchic students responsible? (S4 Ep24)
The House That Jack Built: Emma Peel is the beneficiary of a generous inheritance - an old house from an Uncle Jack she did not know even existed. But some things are too good to be true. (S4 Ep23)
What the Butler Saw: Steed goes undercover at a Butler school and Peel attempts to seduce an RAF playboy, as the two try and unearth the leak of government secrets. (S4 Ep22)
A Touch of Brimstone: Modern libertine John Cleverly Cartney is the head of a modern interpretation of the Hellfire Club. The Club plans to incite chaos by killing foreign Prime Ministers. (S4 Ep21)
Small Game for Big Hunters: Mrs Peel watches a number of comatose men, while Steed is invited to an officers club. Starring Patrick Macnee and Diana Rigg. (S4 Ep17)
The Thirteenth Hole: Steed and Peel join an exclusive golf club in the hopes of catching a government scientist who is supposedly passing secrets through the Iron Curtain. (S4 Ep16)
The Girl from Auntie: Steed returns home to find Mrs Peel has been replaced by an actress. He finds himself following a group who can get anything for the right price. (S4 Ep18)
Quick-Quick Slow Death: A foreign agent found trying to dispose of a body puts Steed and Mrs Peel on the trail of a dance school that is infiltrating the country with enemy spies. (S4 Ep19)
The Danger Makers: Steed and Peel are on the hunt for a group of danger-craving psychopaths and the person behind them, before they carry out their next caper - stealing the crown jewels. (S4 Ep20)
Quick-Quick Slow Death: A foreign agent found trying to dispose of a body puts Steed and Mrs Peel on the trail of a dance school that is infiltrating the country with enemy spies. (S4 Ep19)
The Girl from Auntie: Steed returns home to find Mrs Peel has been replaced by an actress. He finds himself following a group who can get anything for the right price. (S4 Ep18)
Small Game for Big Hunters: Mrs Peel watches a number of comatose men, while Steed is invited to an officers club. Starring Patrick Macnee and Diana Rigg. (S4 Ep17)
The Thirteenth Hole: Steed and Peel join an exclusive golf club in the hopes of catching a government scientist who is supposedly passing secrets through the Iron Curtain. (S4 Ep16)
Man-Eater of Surrey Green: A man-eating alien plant takes several horticulturists prisoner as it attempts to germinate the Earth. Luckily however, Steed is a 'herbicidal maniac'. (S4 Ep12)
Two's a Crowd: A mysterious Russian arrives at a conference, with Steed and Peel acting as security. Gordon Webster pretends to be Steed, but he's not the only person who isn't all he seems. (S4 Ep11)
Silent Dust: Steed and Peel suspect the use of a banned chemical, Silent Dust, when flocks of birds start dying. Their investigation leads them to a group of local landowners. (S4 Ep13)
The Hour That Never Was: On the way to a party at an air base the Avengers' car crashes, and Steed is knocked out. Upon regaining consciousness it appears he has gone back in time. (S4 Ep14)
Castle De'ath: An agent is found dead in a Scottish Loch, much taller than he was when alive. Steed and Mrs Peel visit the feuding De'ath cousins' castle to understand the sinister events. (S4 Ep15)
The Hour That Never Was: On the way to a party at an air base the Avengers' car crashes, and Steed is knocked out. Upon regaining consciousness it appears he has gone back in time. (S4 Ep14)
Silent Dust: Steed and Peel suspect the use of a banned chemical, Silent Dust, when flocks of birds start dying. Their investigation leads them to a group of local landowners. (S4 Ep13)
Man-Eater of Surrey Green: A man-eating alien plant takes several horticulturists prisoner as it attempts to germinate the Earth. Luckily however, Steed is a 'herbicidal maniac'. (S4 Ep12)
Two's a Crowd: A mysterious Russian arrives at a conference, with Steed and Peel acting as security. Gordon Webster pretends to be Steed, but he's not the only person who isn't all he seems. (S4 Ep11)
Room Without a View: Dr Wadkin is one of seven scientists to go missing. When he reappears and attacks his wife Steed and Mrs Peel investigate, leading them to Room 621 of the Chessman hotel. (S4 Ep9)
The Grave-Diggers: Steed and Mrs Peel investigate why an early warning radar is failing. Emma goes undercover while Steed has lunch with Sir Horace aboard his private train. (S4 Ep8)
The Cybernauts: When a group of businessmen bidding on a new circuit element are found murdered, The Avengers are called. Mrs Peel visits a Karate Dojo and Steed gets a look at the future. (S4 Ep7)
Room Without a View: Dr Wadkin is one of seven scientists to go missing. When he reappears and attacks his wife Steed and Mrs Peel investigate, leading them to Room 621 of the Chessman hotel. (S4 Ep9)
Room Without a View: Dr Wadkin is one of seven scientists to go missing. When he reappears and attacks his wife Steed and Mrs Peel investigate, leading them to Room 621 of the Chessman hotel. (S4 Ep9)
The Grave-Diggers: Steed and Mrs Peel investigate why an early warning radar is failing. Emma goes undercover while Steed has lunch with Sir Horace aboard his private train. (S4 Ep8)
The Cybernauts: When a group of businessmen bidding on a new circuit element are found murdered, The Avengers are called. Mrs Peel visits a Karate Dojo and Steed gets a look at the future. (S4 Ep7)
Too Many Christmas Trees: Steed is having nightmares about Christmas trees and Santa Claus. At a party, two spies try to read Steed's mind, but the dream gives Steed an early warning. (S4 Ep6)
Dial a Deadly Number: Businessmen start dropping dead across the city, apparently from natural causes. Can Steed and Peel uncover the true nature of their deaths and find the culprit? (S4 Ep4)
The Master Minds: A government minister is wounded as he and other ministers try to steal top secret documents. Foul play and hypnosis are suspected when no one can remember why they did it. (S4 Ep3)
The Town of No Return: Steed and Emma are on the case as they visit a mysterious coastal town where several agents have recently vanished, and the locals are not what they may at first seem. (S4 Ep1)
Death at Bargain Prices: A colleague is found dead in a London shop. Steed and Mrs Peel go undercover as staff members to get to the bottom of it, as they uncover an 'explosive' revelation. (S4 Ep5)
Dial a Deadly Number: Businessmen start dropping dead across the city, apparently from natural causes. Can Steed and Peel uncover the true nature of their deaths and find the culprit? (S4 Ep4)
The Master Minds: A government minister is wounded as he and other ministers try to steal top secret documents. Foul play and hypnosis are suspected when no one can remember why they did it. (S4 Ep3)
The Town of No Return: Steed and Emma are on the case as they visit a mysterious coastal town where several agents have recently vanished, and the locals are not what they may at first seem. (S4 Ep1)