"Pen-blwydd HA-PYS i ti, Pŵ a thatws, pi-pi. Pen-blwydd HA-PYS, annwyl DWPSEN, Pen-blwydd HA-PYS i..." Mae'n nos yn yr archfarchnad ac mae'r llysiau'n brysur yn pobi ar gyfer pen-blwydd rhywun arbennig IAWN. Ond tybed pwy sy'n mynd i drio difetha'r syrpréis...?!
Hap-pea birthday to you, mashed potato and poo. Hap-pea birthday, dear Twpsen, hap-pea birthday to you!' It's night at the supermarket and the vegetables are busy baking for a very special someone's birthday. But who's going to try to spoil the surprise...?!