Because Zenon creates trouble at her space station home somewhere in the Milky Way, her parents send her to her grandparent's farm on Earth to work for the summer.
Emma tries several pets before she becomes best friends with her parakeet Henry, but she finds that friendship threatened when her brother Bruce buys another parakeet.
Zenon, who lives on a space station in 2049, is mortified when her father buys her an embarrassing Bobo robotic dog instead of the cool Tobo Dog, but Bobo comes in handy when the Tobo Dogs go crazy and turn on their owners.
Although P.J. and his friends refuse to let Donna and Honey Bunny go camping with them because "camping is not for girls," the girls follow and get proof that camping is hard work even for boys.