| In Theaters | N/A | |||
| On 4K UHD | Not Available | |||
| On Blu-ray | Not Available | |||
| On DVD | August 14, 2007 | |||
Synopsis The Doctor takes Ace back to her hometown of Perivale, only to find that something is very, very wrong. Many of Ace's old friends and neighbors have disappeared while domestic pets become victims of unseen killers. Will the hunter become the hunted when only the fittest survive? (Episodes 1-3, 72 mins)