It's the day of the Giant Vegetable Competition in Pontypandy and the children are sure they will win, thanks to Hannah's enormous pumpkin! All they have to do now is get the giant pumpkin to the fair – but it's going to be tricky as it's so huge and heavy! Meanwhile, a mysterious creature is causing havoc at the vegetable competition. Can Fireman Sam help get to the bottom of the mystery? © 2022 Prism Art & Design Limited. The Fireman Sam name and character are trademarks of Prism Art & Design Limited. Based on an original idea by D. Gingell, D. Jones and original characters created by R.M.J. Lee.