While researching his family tree, SpongeBob discovers he was related to Western hero SpongeBuck. Flashback to SpongeBuck arriving in Bikini Gulch around 1882 and going head-to-head against dastardly Dead-Eye Plankton. Then, SpongeBob refuses to leave work until he gets a stubborn spot off one of the dishes. Next, When Patrick eats his weight in Krabby Patties without paying, Mr. Krabs puts him to work. Then, SpongeBob mistakenly boards a boat hauling inmates to prison. Next, Sandy tricks SpongeBob and Patrick into attending survival-training camp. Then, SpongeBob and Patrick discover an old submarine, and Mr. Krabs talks them into using it to take the Krusty Krab on the road. Last, It's well-groomed SpongeBob versus never-washes Patrick in a battle to see who will win the clean-dirt war.