"Immortal Clay" is the sixteenth episode of the second series of the 1960s cult British spy-fi television series The Avengers, starring Patrick Macnee and Honor Blackman. It was first broadcast in the Teledu Cymru region of the ITV network on Friday 11 January 1963. ABC Weekend TV, who produced the show for ITV, broadcast it the next day in its own regions.^[1] The episode was directed by Richmond Harding and written by James Mitchell.^[2]

Plot

A company invents an unbreakable ceramic, the secret of which others try to steal. Following the death of an industrial spy in a vat of liquid clay, Steed and Cathy mount an undercover investigation.^[3]

Cast

Patrick Macnee as John Steed
Honor Blackman as Cathy Gale
Paul Eddington as Richard Marling
James Bree as Miller
Bert Palmer as Josh Machen
Gary Watson as Allen Marling
Steve Plytas as De Groot
Rowena Gregory as Anne
Didi Sullivan as Mara Little
Douglas Muir as One Ten
Frank Olegario as Blomberg

References

External links

The Avengers

The Avengers

Characters

Episodes

Series 1	"Hot Snow" "Crescent Moon" "Girl on the Trapeze" "Dance with Death" "The Frighteners" "Tunnel of Fear"
Series 2	"Mr. Teddy Bear" "Propellant 23" "The Decapod" "Bullseye" "Mission to Montreal" "The Removal Men" "The Mauritius Penny" "Death of a Great Dane" "The Sell Out" "Death on the Rocks" "Traitor in Zebra" "The Big Thinker" "Death Dispatch" "Dead on Course" "Intercrime" "Immortal Clay" "Box of Tricks" "Warlock" "The Golden Eggs" "School for Traitors" "The White Dwarf" "Man in the Mirror" "Conspiracy of Silence" "A Chorus of Frogs" "Six Hands Across a Table" "Killer Whale"
Series 3	"Brief for Murder" "The Undertakers" "Man with Two Shadows" "The Nutshell" "Death of a Batman" "November Five" "The Gilded Cage" "Second Sight" "The Medicine Men" "The Grandeur That Was Rome" "The Golden Fleece" "Don't Look Behind You" "Death a la Carte" "Dressed to Kill" "The White Elephant" "The Little Wonders" "The Wringer" "Mandrake" "The Secrets Broker" "Trojan Horse" "Build a Better Mousetrap" "The Outside-In Man" "The Charmers" "Concerto" "Esprit de Corps" "Lobster Quadrille"
Series 4	"The Town of No Return" "The Gravediggers" "The Cybernauts" "A Surfeit of H₂O" "The Hour That Never Was" "A Touch of Brimstone" "What the Butler Saw"
Series 5	"From Venus with Love" "The Fear Merchants" "Escape in Time" "The See-Through Man" "The Bird Who Knew Too Much" "The Winged Avenger" "The Living Dead" "The Hidden Tiger" "The Correct Way to Kill" "The Superlative Seven" "A Funny Thing Happened on the Way to the Station" "Death's Door"
Series 6	"The Forget-Me-Knot" "Have Guns — Will Haggle" "The Morning After"