U.N.I.T Files

Discussing episodes 1, 4, and 5

Production information and story facts presented via subtitles on all episodes

Double-sided cover with the original "grey roundels" design on one side, and a version with updated logos and/or design on the other

Trailer for the release of "The Sensorites"

Select whether or not to watch episode 1 in colour

Discussing episode 2

Discussing episode 3

Discussing episode 6

Elisabeth Sladen discusses her time on the programme for "The Story of Doctor Who" in 2003 (Part One - see "Terror of the Zygons" for Part Two)

Discussing 10 minutes of episode 5

Deleted scenes from episode 1 and 3

A look at the locations used for this serial

Jon Pertwee and the Whomobile make an entrance

Radio Times listings

Photos from the production of this serial set to background sound effects

Cast and crew discuss the making of "Invasion of the Dinosaurs"

Production slate from the recording of episode 5

Discussing episode 1

Radio Times listings

Photos from the production of this serial set to background sound effects

Philip Hinchcliffe's daughter, Celina Hinchcliffe, interviews him about his life and career

Cast and crew discuss the making of "The Android Invasion"

Production information and story facts presented via subtitles on all episodes

Double-sided cover with the original "grey roundels" design on one side, and a version with updated logos and/or design on the other

Advert for the 1970s Doctor Who promotion

Location sound rushes for "The Android Invasion", from July 1975

Trailer for the release of "The Sensorites"

Weetabix Doctor Who Promotion 1975

Weetabix Doctor Who Promotion 1977

Discussing episode 2

Discussing episodes 3 and 4