Overview:In the first of two specially-extended episodes tonight to celebrate the finale of Big Brother 4, returning housemate Jon Tickle is called to the diary room, he and is fellow housemates are unaware that it's the last time he will be in the house and he is ushered outside through a camera run to be greeted by Davina and the 1,500+ audience members awaiting him. A huge stage has been constructed with flash lighting and the Big Brother's infamous 'eye' logo engraved on the stage itself. When asked why he didn't cause as much trouble as he had promised viewers, Jon replied that 'Big Brother told me I couldn't tease them - I had no other ideas on what I could do after that', and it was clear who he wanted to win the show when asked he replied simply 'Scott Turner! Anyone with mobile phones here, use them and vote for Scott to win!'. He is reunited with his family and friends. Davina presents a 7-minute highlight package airing all the best bits from Day 63 in the house. After this she makes