Jon Pertwee’s debut season as the Third Doctor will be the next release to join the Doctor Who Blu-ray collection.

The Third Doctor is exiled to Earth, teaming up with UNIT’s Brigadier Lethbridge-Stewart (Nicholas Courtney) and scientist Liz Shaw (Caroline John) to confront alien invasions and threats from our own planet’s primeval past.

The Season 7 Collection includes the following stories from 1970: Spearhead from Space, Doctor Who and the Silurians, The Ambassadors of Death and Inferno. All episodes are newly-remastered from the best available sources.

This seven-disc box set also includes:

• Four new documentaries: Splendid Chap, a profile of beloved Brigadier actor Nicholas Courtney; Looking for Mac, uncovering the story of writer Malcolm Hulke; Terror in the Suburbs, looking at when Doctor Who came down to Earth; and Lucky 13: Rockets, Aliens and Spare Parts, how the science of the day influenced Doctor Who

• Behind the Sofa: New episodes with Katy Manning (Jo Grant), Matthew Waterhouse (Adric), Janet Fielding (Tegan), Sarah Sutton (Nyssa), Sophie Aldred (Ace), presenter Toby Hadoke, and the late Caroline John’s family: husband Geoffrey Beevers (who also played the Master) and daughter Daisy Ashford

• In Conversation: Matthew Sweet chats to John Levene, who played UNIT’s Sergeant Benton, about his life and career

• Doctor Who escape room: Will Team Third Doctor escape the room of doom?

• Movie-Length omnibus editions: Doctor Who and the Silurians and Inferno

• Exclusive convention footage

• High-definition photo galleries

• Info text: Behind-the-scenes information and trivia on every episode.

• PDF archive: scripts, costume designs, rare BBC production files and other rarities

• Hours of special features previously released on DVD including documentaries, featurettes, audio commentaries and more.

Doctor Who: The Collection – Season 7 can be pre-ordered now on Amazon, HMV, Zavvi and Rarewaves in the UK.