Is There Life on Mars? (CON episode)

 (also known as The Waters of Mars Confidential on the DVD) was the episode of Doctor Who Confidential broadcast in conjunction with The Waters of Mars.

The title is a reference to the 1971 David Bowie song. A reference to the singer is also in the episode.

Aspects of production covered

 * Designing of the prosthetics for the Flood.
 * On-set rehearsal of certain scenes before blocking them out physically.
 * Filming of the chase scenes within this story.
 * The designing of GADGET, and the fun of getting pulled along on top of him in one scene.

Additional topics covered

 * Balancing the potential visual scariness of a monster with the family nature of the show.

Music list

 * "Invaders Must Die" by The Prodigy (also used in CON: Alien Abduction)
 * "Also Sprach Zarathustra - Tone Poem for Large Orchestra, Op. 30: Introduction" by Richard Strauss
 * "Main Title (from 'Aliens')" by James Horner & London Symphony Orchestra
 * "Creep" by Radiohead
 * "Don't Upset the Rhythm (Go Baby Go)" by The Noisettes
 * "Ziggy Stardust" by David Bowie
 * "Inspector Gadget Theme" by Shuki Levy
 * "Life on Mars?" by David Bowie
 * "War of the Worlds" by Get Cape. Wear Cape. Fly
 * "Fire" by Kasabian (also used in CON: What Goes on Tour...)
 * "Red" by Elbow

Elements retained in Cut Down
There was no "Cut Down" version of this episode.

Home video releases
The full length version of the episode was included on the Doctor Who: 2009 Winter Specials DVD & Blu-ray box set released on 11 January 2010; and the Doctor Who: The Complete Specials DVD & Blu-ray box set also released on 11 January 2010.