When aliens come to Earth, it is for the simple reason that they love to play with and hide in freshly laundered underpants of all shapes and sizes.

"A.J. and the gang at Ella Mentry School are in for a super surprise when a new teacher, Mr. Cooper, take over their third grade class." --

Buzz is filming a movie about aliens from Outer Space, who capture Fly Guy and Buzz Boy--and our two heroes must outsmart the aliens, with some help from Dragon Dude and Fly Girl.

They may look like Bad Guys, but these wannabe heroes are doing good deeds...whether you like it or not! This New York Times bestselling illustrated series is perfect for fans of Dog Man and Captain Underpants. The Bad Guys have flown through outer space, made it back to Earth, and managed to land in exactly the right place... but exactly the wrong TIME. Who knew alien escape pods were capable of time travel?!? And now that they're 65 million years...

Secret agent Bubble07, who exactly resembles a stuffed toy, is on Earth to assess whether or not the unicorns should invade the planet--but despite some bizarre Earth customs like show-and-tell, and annoying Earth dogs, ultimately suggests that Earth would serve as an excellent vacation destination for unicorns.

New third grade teacher Mr. Granite has so many strange ideas about how to make Ella Mentary School environmentally friendly that the students are sure he must be an alien.

Zach, a human boy who is actually an extraterrestrial agent for the Galactic Union, travels to California's Lassen Volcanic National Park on a dangerous mission to save the Earth from evil aliens known as the Syndicate.

The Association Linking intergalatics and Earthlings as Neighbors (hereby known as A.L.I.E.N.) has a new member. After months of investigation, Gabby Duran, Associate 4118-25125A, has proven herself to be a babysitter extraordinire. Her celebrity clients fly her around the country to care for their rambunctious little humans. Our spy, Associate 4118-23432B, otherwise known as Edwina, believes Gabby can be trusted with the truth: aliens are living...

Kevin and his science camp buddies, The Extraordinary Terrestrials, defeated the alien Mim and sent him back to prison--but now a group of his friends have shown up in spaceships, bent on revenge, and it is up to the Extraordinary Terrestrials to find a way to defeat the invaders.

At Camp Whatsitooya, twins Joules and Kevin and new friend Nelson face off against large, rabbit-like creatures from the Mallow Galaxy who thrive on sugar, but are not above hypnotizing and eating human campers.