An omniscient alien shows the Animorphs the probable future: the complete Yeerk domination of the earth.

The Animorphs destroy a Kandrona. Marco vows to fight the Yeerks until he gets his mother back.

The Animorphs discover that the Yeerks are dying in the heads of many Controllers. They fight to save freed Controllers.

Rachel crashes in the woods while in hawk morph. The Animorphs rescue her from the Controllers.

Jake is acting pretty normal after falling into a Yeerk pool. The Animorphs keep Jake under close watch.

The weight of battling the Yeerk invasion is wearing on Jake. He wishes he'd never met Elfangor at all.

Five Animorphs, otherwise regular teens, use special morphing powers to fight off an alien invasion by the Yeerks.

The Animorphs discover a terrible secret about Visser One and Marco's mother.

The Animorphs must infiltrate a new health clinic and stop the Yeerks before the governor is infected!

The Animorphs try to stop a massive Yeerk infestation after obtaining new powers from the captured Yeerk disk.

The homesick Ax uses a high-powered telescope to contact his father.

Cassie has an allergic reaction to a crocodile's DNA and has trouble controlling when she morphs.

The Animorphs practice their new morphing powers, experiencing what it feels like to be a horse, a cat, and a rat.

Cassie discovers Ax, an injured Andalite, has crashed on the earth. Can Ax trust the Animorphs?

Tobias and Ax share memories with the help of Andalite technology.

How will the Animorphs fend off a new breed of Yeerks that doesn't need a Kandrona to live?

The Animorphs have discovered a secret weapon to use against the Yeerks: maple-flavored oatmeal!

The Animorphs pose as Controllers to investigate a new club called "The Sharing."

Rachel morphs into a cat to discover why her best friend is acting strange.

After a close call in the Yeerk Pool, the Animorphs decide to split up and gather more information.