Two teenage girls investigate unexplainable phenomena at their high school.
Kelsie arrives on the Builder homeworld for the final showdown.
Kelsie and Paige visit a world that was destroyed by the Builders in search of a powerful weapon.
After being captured by the Shakers, Kelsie and Paige are thrust into a new way of life.
Kelsie reflects on her past before she's thrust into an uncertain future.
Kelsie and Isaac play a virtual-reality video game. An interloper ruins the fun.
Kelsie, Paige and Zandria board a mysterious spaceship and make a startling discovery.
Kelsie butts heads with Paige and Zandria at an alien's neighborhood cookout.
Paige tells her side of the story.
Season Premiere! Kelsie reunites with Paige in outer space, but her old friend isn't the same.
Season Finale! Kelsie and Isaac battle the Cocoon Man, and the ultimate threat reveals itself.
Kelsie reteams with Isaac West to travel into the unknown.
Kelsie's friend Gwen gets caught up in all this sci-fi nonsense again.
Kelsie tries to be a normal teenager again.
As the Cocoon Man rampages through town, Kelsie prepares to strike back.
Kelsie investigates a mysterious vessel in Alaska, hoping to find answers about her missing friend Paige.
Kelsie tracks down an alien in California and meets a local vigilante who might be her equal.
Kelsie poses as a teacher and has to deduce which one of her students is an evil alien.
Kelsie goes undercover as a cheerleader to track down an alien enemy.
Season Premiere! Whatever happened to Kelsie James?