International House of Pancakes

International House of Pancakes or (IHOP) is a restaurant chain located in the United States. It appeared in the Season Sixteen, episode "Reverse Cowgirl".

Background
After the demise of Betsy Donovan due to a tragic toilet accident, the TSA are now keeping the towns folk save from further dangers in the bathroom.

Eric Cartman and Butters Stotch are waiting in line to use the restroom at the local IHOP. The line of customers comically resembles the TSA inspection checkpoints at commercial airports.