I've lost the TARDIS as well.'<br />I [Amy] was outraged. Considering my husband was dying and we were stranded in the past, the Doctor seemed fairly calm about things. 'Someone's nicked it!'<br />'Not so much, no.' The Doctor looked awkward. 'There's a mechanism... thingy. If the TARDIS senses a threat it removes itself from the scene. First sign of danger, it goes and hides behind the curtains.'<br />'Whose genius idea was that?'<br />The Doctor swallowed, embarrassed. He claims to be the last of the most advanced race in the universe. Sometimes, I'm just not convinced.