Season 1, Episode 17 : Arrgh!

SpongeBob, Patrick, and Mr. Krabs start playing a board game. Mr. Krabs likes it so much that he wants to go on a real treasure hunt. After several humorous mistakes ("East? Ohhhh... I thought you said 'West'[pronounced weast]"). After Mr. Krabs goes to bed for the night, Spongebob and Patrick find the "map" (actually the board game), but end up stumbling upon the treasure.