“If we’re visiting your past and meeting people who know you, Doc, then let me just fetch something before we leave,” Graham said before disappearing in the direction of the bedrooms. When he emerged again, he was wearing a red baseball cap that at first glance made both Ryan and Yaz want to barf, until they realised that the inscription on it was much longer than a four-letter acronym. As Graham went to stand next to the Doctor, Ryan and Yaz saw that the cap read, I’m not the Doctor, she is --> and the arrow was indeed, pointed at the owner of that name.