Gunpowder, treason and plot are the skeleton on which an episode called November Five hangs a plot about murder and a missing 5 megaton warhead
Patrick Macnee
The Avengers: Series 3, Episode 5 – Death of a Batman
Kitchen-sinky but chewy enough in terms of plot, this episode sees Steed and Gale tangling with shady aristocrats who are gaming the stock market for their own ends – the elite at work
The Avengers: Series 3, Episode 4 – The Nutshell
Steed and Gale investigate a kerfuffle in a secret government underground bunker involving tech, spies and double-cross. Good stuff
The Avengers: Series 3, Episode 3 – Man with Two Shadows
A spy is replaced with an exact copy of the man, right down to his dental work, in a pacy bit of caper/thriller business served up with a kitchen sink twist
The Avengers: Series 3, Episode 2 – The Undertakers
Death and taxes come together in an unsatisfying way in this Avengers episode that's bafflingly plotted but still has things to recommend it
The Avengers: Series 3, Episode 1 – Brief for Murder
Series 3 sees writer Brian Clemens arriving as a force, as Steed and Gale fall out over a clearly dodgy court case and Steed plots his partner's murder
The Avengers: Series 2, Episode 26 – Killer Whale
Killer Whale is a bewildering mix of the mundane and the arcane, a case for Steed and Gale that involves boxers and the smuggling of ambergris
The Avengers: Series 2, Episode 25 – Six Hands across a Table
An episode of The Avengers that seems made for our Brexit-y era, about a cabal of shipbuilders trying to work out where the country's future lies – Europe or elsewhere
The Avengers: Series 2, Episode 24 – A Chorus of Frogs
A close-knit group of divers on board a magnate's yacht in Greece – the exotica is beginning to exert itself as series two winds towards a close
The Avengers: Series 2, Episode 23 – Conspiracy of Silence
Steed and Gale go to the circus, where one of the collection of troupers is actually a Mafia hitman trying to keep drugs flowing into the country in spite of the do-gooding duo