The Monster Files: The Cybermats (CON episode)

 (also known as Monster File: The Cybermats) was an exclusive documentary produced by the Doctor Who Confidential team included as a bonus feature on the Closing Time DVD.

BBC DVD synopsis
Exclusive Bonus Feature The Monster Files: The Cybermats The unwelcome return of one of The Doctor's oldest enemies, only this time, a brand new design and more fearsome than ever! Follow the re-invention of The Cybermats from the workshop to the studios.

Main subject

 * History of the Cybermats in Doctor Who
 * Updating the design for the modern era.
 * The different practical versions used in filming — the soft silicone model, the remote-controlled Cybermat, and a wired-up animatronic version whose mouth moved.

Additional topics covered

 * Matt Smith, in one take, accidentally wrecking an animatronic Cybermat with the frying pan. Afterwards, they held it together with gaffer tape.

Music list
to be added

Crew
No crew were credited for this episode.

Home video releases
This episode was exclusive to the Doctor Who: Series 6, Part 2 DVD & Blu-ray box set released on 10 October 2011; and Doctor Who: The Complete Sixth Series DVD & Blu-ray box set released on 21 November 2011.