A string of nested stories tell the tale of why The Simpsons are spending the day at a cavern.
- Absurdly High-Stakes Game: Burns and the Rich Texan waged their whole estates.
- Adventure Archaeologist: Snake used to be one before turning to a criminal life.
- Another Story for Another Time: During Homer's confession of the real reason he brought the family to the cavern, he claims he needed money for Bart's operation. At this point, Bart interrupts to ask about the operation, and Homer responds, "That's a story for another day."
- Bring My Brown Pants: When Homer first got stuck in the cavern.Homer: I'm stuck and I have to pee! (beat) Now, I'm just stuck.
- Fallen-on-Hard-Times Job: Mr. Burns working at Moe's. Burns actually considered it as a way to get up to zero.
- Go Through Me: Mr. Burns pulls this in order to protect Lisa from a goat.
- Herbivores Are Friendly: Lisa encounters a goat in the forest, hoping it'll be friendly to a fellow herbivore, until it chases her into Mr. Burns' mansion. It turns out it was trying to bring back her necklace which she'd lost in the woods.
- Pet the Dog: Burns protecting Lisa.
- Something Completely Different: A Nested Stories-meets-The Rashomon style story.
- Start of Darkness: After Moe steals his Mayan coins, Snake decides he'll "take my revenge on society — by which, I mean convenience stores."
- Twist Ending: It turns out the entire episode is Bart's explanation to Principal Skinner why he didn't have time to study for his geography test.