The Seeds of Darrowby

Being left behind in the TARDIS was not something that Perpugilliam "Peri" Brown liked at the best of times, being left there for two hours was pure torture. No one could blame her for leaving it to go in search of a certain Time Lord. Of course, she wasn't expecting what would happen next. Co-written by Hello Anyone There. (Who is, incidentally the best co writer ever :D)