In several episodes throughout the series a hotdog cart is either thrown, knocked over, or seen. It is unknown if this is intended or just coincidence. This page will list of all of the episodes that a hot dog cart appears in. The Hotdog Cart being knocked over is considered a running gag.

Ben 10 Episodes

Tourist Trap - A hotdog cart was knocked over in this episode.

Kevin 11 - A hotdog cart was knocked over in this episode.

Last Laugh - A hotdog cart was knocked over in this episode.

Lucky Girl - A hotdog cart was knocked over in this episode.

Side Effects - Since they were in China Town, a cart of steamed dumplings was thrown instead.

Ben 10 Alien Force Episodes

Pier Pressure - A cotton candy cart got knocked over by a small Galvanic Mechomorph named Ship at the local fair.