Worried that the housemates are starting to show their age, Iain decides that the group should throw a party in a desperate attempt to cling onto their youth.
Following Ashley's break-up with Greg, the group decide to go to a singles night - where, awkwardly, Iain bumps into his ex-girlfriend Olivia and Rosie finds some 'icks' about.
When the gang find themselves with a 'free day', they have to decide what to do with it - and Greg soon finds himself with the biggest decision of all.