The series revolves around a bug host named Lingo and his family of bugs, who each specialise in a different language. At the request of children, Lingo and his team travel around the UK to perform a Big Bug Show using one of their star performers. In each episode, the chosen bug searches around for props required for their act, introducing potential objects in their respective language, before bringing them back to Lingo so they can perform their Big Bug Show in front of the delighted preschool children.