Prodigal sons return to start a competing delivery service that threatens the existence of Planet Express.
Zoidberg is sentenced to death for eating a flag at a celebration in Washington, D.C.
Amy's romance with Kif Kroker leads to pregnancy.
Fry, Leela and Bender develop superhuman powers and fight crime in the Big Apple.
Hot tar turns the crotchety old professor into a middle-aged man, while the others are transformed into rambunctious children.