If you were looking for a classic Avengers episode and weren't too worried if it was in colour or not, The Gravediggers is probably a good place to start
Patrick Macnee
The Avengers: Series 4, Episode 1 – The Town of No Return
Diana Rigg arrives and the classic era of The Avengers begins – bigger budgets, madder stories and a lot more arching of eyebrows
The Avengers: Series 3, Episode 26 – Lobster Quadrille
Honor Blackman's game-changing era closes in Lobster Quadrille, a patchy episode teaming unlikely lobster fishermen with an unlikely Chinese criminal
The Avengers: Series 3, Episode 25 – Esprit De Corp
Esprit De Corps is a great if ultimately mad Avengers episode about a plot to restore the "rightful", ie Stuart, heir to the throne
The Avengers: Series 3, Episode 24 – Concerto
The Avengers remember their dark gritty roots in Concerto, an episode with a Cold War flavour that took an entire year to get onto the screen
The Avengers: Series 3, Episode 23 – The Charmers
So good it was remade in the Diana Rigg era, here's the original of The Correct Way to Kill, with a much more appropriate title of The Charmers
The Avengers: Series 3, Episode 22 – The Outside-In Man
The Outside-In Man is a crackingly spytastic story with flavours of the Burgess/Maclean/Philby spy scandal of the early 1960s, albeit faint ones
The Avengers: Series 3, Episode 21 – Build a Better Mousetrap
The fabulous character actors are the making of a great episode, all about two old ladies who've got something very hi-tech in their cottage
The Avengers: Series 3, Episode 20 – Trojan Horse
Steed and Gale mind a sheikh's horse and investigate a dodgy betting outfit in an episode that's really about toffs making sure the lower orders know their place
The Avengers: Series 3, Episode 19 – The Secrets Broker
What connects a posh wine merchant's with a secret research establishment? And how much is a case of 1956 Chateau Lafitte anyway?