Danny Dingle¿s class is going to the Prehistoric World theme park, entering a gadget-making competition and . . . visiting a sewage treatment plant?! FARTSOME! Looking at stinky sewage is way better than being in P.E. class with Ms Mills. It¿s set to be the most FARTASTIC week EVER . . . until Twit-Faced Gareth Trumpshaw gets in the way.