Extraordinary crimes against the people and the state have to be avenged by agents extraordinary. Two such people are John Steed (Patrick Macnee), top professional, and his partner, Emma Peel (Diana Rigg), talented amateur. Otherwise known as, The Avengers. This boxset includes the complete and uncut Series 4, on Blu-ray™ for the first time with a wealth of special features.

Bonus Features:

• Exclusive audio commentaries with: director Roy Ward Baker and scriptwriter/producer Brian Clemens on The Town of No Return, scriptwriter Robert Banks Stewart on The Master Minds, scriptwriter Roger Marshall on Dial A Deadly Number, director Gerry O'Hara on The Hour That Never Was and director Don Leaver on The House That Jack Built.
• The Series of No Return - Exclusive audio interview with Elizabeth Shepherd
• Armchair Theatre - The Hothouse (starring Diana Rigg)
• USA Chessboard opening sequence
• Strange Case of the Missing Corpse promotional trailer
• Alternative end tag from Death At Bargain Prices
• Episode reconstructions for series 1 scripts Kill The King and Dead of Winter
• Colourised test footage from Death At Bargain Prices and A Touch of Brimstone
• Reconstructed 'The Avengers are back' John Stamp trailer
• Alternative UK opening and closing credits
• Alternative UK animated bumpers
• UK animated bumper
• Variant opening title credits for The Gravediggers
• French opening credits
• German opening credits
• ITN Newsreel footage
• Stills galleries