Grandad arrives at Matthew and Leah's house. He transports them back to 21st July 1969, the day man first walked on the moon. They meet a west Indian family and try out their huge array of toys including space hoppers and Lava lamps.

Tom and Melissa are fighting who gets to play on the Game Boy Advance, Grandad arrives and takes them to 1953, the day the food ration ended in britian.

Grandad takes Harry and Maddy back to when his own great grandad was a child, the first year of mass education, when the working class were given free schooling.

They explore some of the wood and metal toys of the era.