E1 - Mr Teddy Bear

Aired: September 29, 1962

A man is murdered whilst being interviewed on live television. one-Ten is sure that it is the work of the ruthless assassin Mr Teddy Bear, and he asks Cathy Gale to trap the man - by arranging for him to murder Steed.

E2 - Propellant 23

Aired: October 06, 1962

At Marseilles airport, Steed and Cathy find the courier they were due to meet dead. His sample of new liquid rocket fuel has been taken. Facing an array of enemy agents, the duo must recover the flask of Propellant 23.

E3 - The Decapod

Aired: October 13, 1962

Borb, the president of the Balkan Republic, is visiting London to sign a military deal. His private secretary is killed by a masked wrestler, the Decapod. Steed is assigned to augment the president's bodyguards, but the wrestler continues to kill those close to Borb.

E4 - Bullseye

Aired: October 20, 1962

Shareholders in Anderson's, a small-arms manufacturers, are being killed one by one whilst a tycoon plans a take-over. Rifles and other weapons, possibly manufactured by Anderson's, are being smuggled into Africa. Cathy Gale joins the board with a 20 per cent share in order to investigate.

E5 - Mission to Montreal

Aired: October 27, 1962

A film star's stand-in is murdered, and microfilm of North American early warning systems has been stolen. The film star, despite an aversion to travelling by sea, proceeds to Montreal on a luxury liner. In an attempt to find the mocrofilm Dr King is assigned as her personal doctor, and Steed goes under cover as a steward.

E6 - The Removal Men

Aired: November 03, 1962

Steed is trying to infiltrate a group of assassins currently based in the South of France. He robs the leader of some jewellery in order to impress him, then waits for them in the local club. It just so happens that Venus Smith is singing there.

E7 - The Mauritius Penny

Aired: November 10, 1962

The owner of a stamp shop is murdered when excitedly talking on the phone to a contact about the rare Mauritius Penny that has turned up on a list. Cathy Gale applies for a job in the shop, and she and Steed witness another murder in an auction room.

E8 - Death of a Great Dane

Aired: November 17, 1962

A man involved in a car crash is found to have fifty thousand pounds worth of diamonds in his stomach. Steed investigates the man's joke shop, Big Laugh, and then the offices of multi-millionaire Litoff. The burial of one of Litoff's Great Danes is not quite what it seems.

E9 - The Sell-Out

Aired: November 24, 1962

Steed's department is guarding M. Roland, A UN negotiator in London for important talks, but cannot prevent an assassination attempt. Indeed, it seems that one of Steed's colleagues is selling secrets - and Steed finds that even he is under suspicion.

E10 - Death on the Rocks

Aired: December 01, 1962

Illegal diamonds are swamping the market. The wife of a diamond merchant is murdered. Time for Steed and Gathy Gale to feign marriage.

E11 - Traitor in Zebra

Aired: December 08, 1962

Secrets are finding their way from HMS Zebra, a naval base, to the enemy, rendering the Navy's missile-tracking equipment useless. Steed and Mrs. Gale investigate, and find their attention drawn to the local sweet shop.

E12 - The Big Thinker

Aired: December 15, 1962

Plato, the most advanced computer in the world, which could be used to target intercepting missiles, keeps breaking down. The body of a professor on the team is found within.

E13 - Death Dispatch

Aired: December 22, 1962

A British courier is attacked in Jamaica, and he protects the contents of his diplomatic bag at the expense of his life. But why? The case only contains mundane documents.

E14 - Dead on Course

Aired: December 29, 1962

A plane crashes in Ireland in suspicious circumstances, and the bodies are taken to the nearby St. Mary's Convent . Steed calls in Dr. King to check up on the circumstances of death, while he samples Irish hospitality and bad deeds at Shamrock Airport.

E15 - Intercrime

Aired: January 05, 1963

Steed wants Mrs. Gale to impersonate Hilda Stern, a recently arrested assassin about to be used by the trans-national crime syndicate Intercrime. Things go swimmingly, until the real Hilda Stern breaks out of Holloway and confronts the imposter.

E16 - Immortal Clay

Aired: January 12, 1963

Marling Ceramics, run by Cathy's friends, Richard and Allan Marling, claim to be on the verge of creating an unbreakable china. However, when Steed arrives to investigate, a body is discovered in a tank of clay.

E17 - Box of Tricks

Aired: January 19, 1963

Classified information is finding its way into the wrong hands and Steed feels sure that this has something to do with the death of the magician's assistant at the club where Venus Smith is working. Steed investigates the lethal vanishing cabinet.

E18 - Warlock

Aired: January 26, 1963

Steed is entrusted with the safe-keeping of a new fuel formula when its inventor is found in a coma. The scientist had been involved in a black magic circle which leads Steed and Cathy into the world of hexes and magic powers.

E19 - The Golden Eggs

Aired: February 02, 1963

A burglar steals two gold-plated eggs from Dr Ashe, not knowing that they contain a deadly virus. The man quickly falls ill, but refuses to indicate where the case containing the eggs is buried.

E20 - School for Traitors

Aired: February 09, 1963

Steed, investigating the suicide of a University tutor, discovers that the man seems to have shot himself with a gun with a silencer attached. Venus is sent a tub of acid 'face-cream', and there is another mysterious suicide.

E21 - The White Dwarf

Aired: February 16, 1963

Astonomer Professor Richter believes that the sun's stellar companion, a white dwarf, is returning to the solar system. If it does, that's the end of everything. So why on Earth would anybody want to murder him now?

E22 - The Man in the Mirror

Aired: February 23, 1963

Venus has her camera and films stolen whilst taking pictures in a fun fair. One film is missed, however, and when developed a face can be seen in the Hall of Mirrors - that of Trevelyan, the cypher clerk who has committed suicide. But Venus's photograph was taken after the man's death.

E23 - Conspiracy of Silence

Aired: March 02, 1963

The Marfia aren't about to let Steed get in the way of their lucrative drug-smuggling operation between Britain and North America, and arrange for him to be assassinated. Steed survives, and tracks his intended killer to a circus, where some of the clowns prove to be anything but figures of fun.

E24 - A Chorus of Frogs

Aired: March 09, 1963

A holiday for Steed in Greece is, of course, no straightforward affair. A deep-sea diver dies in mysterious circumstances, whilst bathyscope experiments are taking place on the yacht where Venus is singing.

E25 - Six Hands Across a Table

Aired: March 16, 1963

What should have been a quiet weekend at the home of an old friend soon turns into a thick web of treachery and scheming, which throws Cathy into the world of shipbuilding, cross-company romance, mysterious 'accidents' and misguided nationalism.

E26 - Killer Whale

Aired: March 23, 1963

Cathy is managing the boxer Joey Frazer, but Pancho Driver's gym, where the man is training, is, Steed suspects, the centre for shipments of illegal ambergris.