Jerry says that the Happy Tooth is his own creation. But in the past, it was shown that he purchased them.
Courtney is visiting all of the countries in alphabetical order. However, when she leaves Tahiti, she goes to Uganda, skipping over most of the T countries, such as Thailand, Turkey, and Trinidad and Tobago.
When Bob takes Jerry to the airport, the establishing shot is of a control tower, but not of one at any of the Chicago area airports. It's stock footage of the iconic control tower used at New York City's La Guardia Airport from 1964 to 2011.