The series follows Craig Glenday, Editor in Chief of the Guinness Book of World Records, as he travels to America to investigate two potential new Record Breakers. Back in the United Kingdom the series finds out about Irene and Mo in Essex who run a miniature horse farm running pony parties for children. The show also finds out about Sandra Ponder who, as well as taking in sick and abandoned Chihuahuas, creates dresses for dogs.

The show takes a look at the current craze for tiny animals, from Paris Hilton’s small pet dogs to miniature horses. The show meets Irene and Mo who run a miniature horse farm and hold pony parties for kids.