The cell phones Ax sells may have a direct line to the Yeerks.
Tobias fears his hawk morph has been discovered.
A computer geek has video of Marco morphing.
Preparations for the spring dance turn into an adventure.
A shy classmate displays incredible strength.
Tobias, Rachel and Marco use their wits to battle Visser III and save Jake, Ax and Cassie.
The Yeerk's plan is revealed when Principal Chapman stops the game and announces there is a tornado warning.
Controllers are planning to unleash Kandrona-independent Yeerks.
Jake and Marco try to rescue Tom when he is sick with the Flu.
Jake is depressed after a bad day and wishes he'd never met Elfangor.
Andalite technology turns Tobias' and Ax's memories into a living diary.
Cassie and Rachel destroy the Kandrona; Marco learns the secret about his mother.
Jake and Marco uncover some shocking secrets aboard the Yeerk mother ship.
Rachel crashes in hawk form and loses her memory.
The animorphs consider abandoning the battle for Earth.
An allergic reaction causes Cassie to morph involuntarily.
The Animorphs keep Jake under close watch; Ax must learn to morph.
The Yeerks target the governor at a health-clinic dedication; Jake falls into the Yeerk pool.
With a high-powered telescope, Ax contacts his father.
The Yeerks crave maple-flavored oatmeal.
Cassie's visions lead her to an injured Andalite.
Melissa is acting strangely; Rachel turns into a cat and gets caught.
Rachel and Cassie look for Tobias; the boys learn more about Elfangor's disk.
The kids pose as Controllers to investigate a strange new club called the Sharing.
The teens must use new-found abilities to save Earth from an alien invasion.
Five teens who can 'morph' into animals fight alien invaders. This episode: Elfangor warns the Animorphs about Yeerks.