If four-year-olds and 84-year-olds work and play together, will it improve the health and happiness of the older group? Ten pre-schoolers welcome 11 pensioners into their classroom.

The pre-schoolers and pensioners have been at the same nursery for three weeks now. Can this ambitious experiment transform the way we care for our increasingly older population?

Will the friendship between four-year-old Scarlett and 84-year-old Beryl blossom and grow? Also featuring Sylvia, who is 102 and was born during World War One, and Victor, who is 97.