A mysterious smell and a dead gerbil set up a school mystery.

Mr. Burns sends a critical parcel to Pete Porter, which is mishandled by Homer.

The school explodes, revealing an oil well beneath it.

The school plans to use the oil money for various projects.

Mr. Burns tries to take over the oil well, leading to a confrontation.

Homer's name is revealed, and the school discusses the oil well.

The school announces a new era of spending and Lisa introduces the oil pump.

The oil pump is activated, leading to a celebration and unexpected consequences.

The dog recovers, and Mr. Burns threatens revenge.

The school faces budget cuts, and Tito Puente is fired.

The community reacts to Mr. Burns' actions, and Moe's Tavern is closed.

Mr. Burns plans to block out the sun to take control of the energy.

The community protests Mr. Burns' plan, leading to his firing.

Mr. Burns returns with a new plan to take over the town.

The community resists Mr. Burns' new plan, leading to a confrontation.

Mr. Burns announces his plan to take over the town and block out the sun.

The community reacts to Mr. Burns' plan, and he begins executing it.

Mr. Burns is revealed to be wearing a mask, leading to confusion.

The community searches for the real Mr. Burns, leading to a new mystery.