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.
After recently breaking up with Olivia, Iain launches himself into the dating scene. Meanwhile Greg naively enlists Thalia to help him to sext his girlfriend Ashley and Rosie plays Scrabble with her dead boss.
Iain and Olivia debate whether they are ready to become parents as the first scan looms. Ashley gets the three-year itch as Greg tries to celebrate their anniversary. Rosie takes care of Tamagotchi toys with Thalia's reluctant help.