Fiz continues to worry about Roy. Owen presses Tina about overdue rent and suggests she gets a flatmate. Steve, Tracy and Amy don Victorian regalia for the activity day at the Museum of Science and Industry. Tracy mocks Steve for dressing like a pimp. When they get there, they discover only the staff are dressed up and Amy has pulled a fast one. Gloria is upset about losing Ritchie and Dennis but puts on a front. Stella warns her about meddling again. Visitors think Steve and Tracy are staff. Steve decides to enjoy himself and explains the background of the steam engines to the visitors. When one question stumps him, Roy appears and gives a full, concise explanation. Steve and Tracy tell Roy about everyone worrying about him and thinking he was dead. Roy loses himself in the crowd while th