The candidates are taken back in time to the Museum of Childhood, where Lord Sugar instructs the teams to become party planners. In two days, they must set up and host a children's party for some high-spending clients. With a two grand budget, the candidates must throw an event to remember, keeping an eye on profits but also pleasing the punters. For one project manager it is a dream gig, but a massive oversight threatens to derail the task completely. On the other team, efforts to make merry with the kids fall flat when an overzealous double act lead a lacklustre assault course. In the boardroom an indignant Lord Sugar takes an unprecedented step, and for someone the party is over.