The Phantom Express

S17, E13: One night James tries to scare Percy by telling him that there’s a ghost at Ulfstead Castle. Stephen reassures Percy that there is no such thing as ghosts but James comes to the castle to try to scare both of them. Percy and Stephen each end up falling into the moat but James doesn’t know where they are and when he hears them whistling he ends up believing his own story and scaring himself!