Doctor Who fan-mania: Why I had to build my own Tardis
28 July 2013 Last updated at 23:58 BST
Around the world, a select band of Doctor Who fans are at work in their spare time building their own personal Tardis.
It is a secretive community, though members do share their tips and experiences on a website, Tardis Builders.
The BBC's LJ Rich caught up with Tardis-builder Yoz, to find out why she wanted to build a time machine in her living room - and how she did it.
Video Journalist: Dougal Shaw