: The episode famously features a low-tech Victorian "TARDIS," which stands for T ethered A erial R elease D eveloped I n S tyle—a hot air balloon used by David Morrissey's character.
The 2008 Doctor Who Christmas special, , features several notable production milestones and unique trivia: [S0E9] The Next Doctor
: Guest star David Morrissey was reportedly cast only five days before filming began. : The episode famously features a low-tech Victorian
: The set for the Cyberfactory was actually the reused and disguised Torchwood Hub set from the spin-off series Torchwood . : It marked the first time the revived
: It marked the first time the revived series used actual television footage of the first eight Doctors (shown via "infostamps") instead of just drawings.
: A new monster was introduced—a crude, blocky version of a Cyberman draped in black robes—designed to act as animalistic scouts for the Cybermen.