34.
Past incarnations of Jonny, Lauren, Martin and Denny are spotted lurking in the shadows, their plan: to kill off their replacements.
New Jonny, Lauren, Martin and Denny manage to convince the other residents that they need help. The square manages to corner a quivering ex-Jonny in a corner - Mick's about to shove a garden fork through his neck when Abbi shouts "Stop! They're not the imposters!" she turns and points at the group of replacements fronted by a snarling bug-eyed Lauren "They are!!!"
Doof! Doof! Doof! Doof! Doof!