After Homer pollutes the town's water supply, Springfield is encased in a gigantic dome by the EPA and the Simpsons are declared fugitives.

Loki joins forces with Bart Simpson to fight against his toughest opponents in Springfield after he is banished from Asgard yet again.

In order to power the city, monsters have to scare children so that they scream. However, the children are toxic to the monsters, and after a child gets through, two monsters realize things may not be what they think.

Op and Ed accidentally time-travel from the Galapagos Islands in 1835 to present-day Shanghai. They make their way through the city in confusion and make the horrifying discovery that the species to which they belong became extinct s