Meet the Deedles
Errors in geography
Prairie dogs are not found in Yellowstone National Park.
Old Faithful is supposedly celebrating its estimated "one billionth birthday". The volcanic eruption creating the Yellowstone Caldera was only 630000 years ago.
Everyone knows how to surf at the end of the movie, including the Deedle father.
Mel and Mo receive their ranger badges despite only being in the park for less than a day.
Phil and Stew can somehow stop the car after having their brake lines cut.
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