It's Whitbury Newtown Leisure Centre's Birthday today and Gordon has done some birthday specials for the centre although some of them have gone wrong. Meanwhile the oil which has been delivered 3 weeks ago has disappeared. It turns out that there's a hole in the tank, Gordon tells Colin to put the oil somewhere safe which turns out to be a very small cupboard. A group from another leisure centre to do the activities so they can have some fun. Horatio talks to Gordon that he doesn't want to go to his new job, Gordon however tells him that it's important until a nasty explosion causes everyone to be injured.