Why on Earth? was the episode of Doctor Who Confidential broadcast in conjunction with World War Three. The working title for this episode was Life on Earth.[1]

Aspects of production covered[]

  • The notion of the cliffhanger and how it has been used in Doctor Who. Also, how the cliffhangers have had to change to fit with modern viewing habits.
  • The prosthetics work on the Slitheen.
  • How the skin unzipping sequences were realised using prosthetics, greenscreen and CGI.
  • Alan Ruscoe discusses the physicality of being a Slitheen, and the challenges of wearing the suit.
  • The VFX work for the Slitheen spaceship crash.

Additional topics covered[]

  • The decision of returning to modern-day Earth, and how travelling through time and space would have an impact on Rose's family and friends.
  • Past Doctor and companion actors discuss the Doctor's affection for humanity.
  • The Third Doctor's exile to Earth and his relationship to UNIT.
  • The return of the Brigadier in Battlefield.

2005 promo image.

People interviewed[]

Music list[]

  • "Are You Gonna Be My Girl?" by Jet, Album: Get Born[2][3]


Elements retained in Cut Down[]

The actors stumbling over how to pronounce "Raxacoricofallapatorius".

Home video releases[]

Doctor Who: The Complete First Series DVD cover.

The "Cut Down" version of this episode was included on the Doctor Who: The Complete First Series DVD box set released on 21 November 2005.