The Simpsons watch a Bible movie about Noah's ark.

Homer fakes illness to skip work and stay home.

Lisa leads a chaotic Model U.N. practice at school.

Kids board the bus for a field trip with Otto.

Homer finds a letter from Flancrest Enterprises and lies about it.

Homer sets up a home office for his fake Internet business.

Kids cause chaos on the bus, leading to a crash into a lake.

Kids swim to an island and blame each other for the crash.

Bart assigns tasks for building shelter and finding food.

Homer answers a phone call for his fake company.

Kids return with only poisonous berries, causing Ralph to get sick.

Otto is rescued by a passing boat and leaves the kids behind.

Kids panic over a supposed monster, which is just a boar.

Bart retrieves a cooler of snacks from the sunken bus.

Lisa takes charge and rations the food, but Milhouse eats it all.

Kids blame Milhouse for eating the food and threaten him.

Homer gets a call from Bill Gates about buying his company.

Kids hold a mock trial for Milhouse, who is found not guilty.

Kids reject the verdict and chase the dorks, including Bart and Lisa.

Bill Gates buys Homer's company but pays with worthless items.

Bart, Lisa, and Milhouse hide in a cave from the mob.

A wild boar appears, revealing it ate the food, and kids reconcile.

The kids are rescued by Moe and return home.