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Grandpa wants to prove otherwise, which may come in use when Mr Marvelloso "magics" Jamima's watch away. Jason, who is now a teenager, has moved with his family into a windmill which they have opened as a hotel. Jason doesn't feel comfortable learning the song he sang without Grandpa after Mum won't let him come, but with the shrinking cap, Grandpa helps him gain confidence in singing.

When he puts the cap on, Grandpa shrinks and comic mayhem inevitably ensues - but Grandpa and Jason always manage to save the day somehow. And my son loves his Grandpa so I think he empathises with the relationship Jason has with his Grandpa. Celebrating the wonderful relationship between grandparent and grandchild, this fantastic show is for the younger people aged 4 û 6. Grandpa and Jason make up a plan to create an amazing sandcastle for a competition, but when Troy notices the finished result, he wants the castle to be re-constructed his way.

On a lovely bike ride day, Jason knows very well that nothing stops Grandpa when he is small - and flying a kite.The programme also stars Josie Cable, Zara Ramm and Sam Ellis, as Jason's sister, mother and father, respectively.

Jason's babysitter - Bubbles, is babysitting Jason and his friend Josh, but when Troy arrives - it's trouble for Bubbles.After the third season, the series was assumed to have ended, but two years later, a fourth season went into production, and began broadcast in 2014. Just as often, however, Grandpa will surprise Jason by appearing unexpectedly in a certain location. Read more about the condition Acceptable: An item that has obvious and significant wear but is still in usable condition. Mum wants to take a perfect Family Photo, but trouble lies in the form of Great Aunt Loretta, who has brought a dog groomer to groom Beowulf to the way she wants him.