Wheels

"Wheels" is Episode 14 in Season 4.

Synopsis
Mrs. Pennypacker has been assigned to count all the wheels in the store. After counting all the ones in the stockroom, she doesn't realize she is supposed to count all of them. So everyone volunteers to help her but she doesn't think she needs help. Jodie tries to get her to accept help from friends. They eventually succeed in counting all the wheels in the store.