The Fairground is an amusement park where the zoo animals are taken to by either Fred or Kate for entertainment. A boat called Eric works here as a swing, in Fred at the Fairground, he was sick, and the owner of the fairground, A large penguin allowed Fred to temporarily replace Eric when he was feeling lonely.
In Kate at the Fairground, Kate takes the zoo animals to the Fairground before she was available to attend a party. The animals are enjoying themselves so much, that they refuse to leave, making Kate impatient. However, Lou tells Kate that the party is not until the next day, and shortly after, the animals want to have tea time. They then leave the Fairground, and Kate takes them back to the Zoo.