E1
Five Animorphs, otherwise regular teens, use special morphing powers to fight off an alien invasion by the Yeerks.
E2
The Animorphs practice their new morphing powers, experiencing what it feels like to be a horse, a cat, and a rat.
E3
The Animorphs pose as Controllers to investigate a new club called "The Sharing."
E4
After a close call in the Yeerk Pool, the Animorphs decide to split up and gather more information.
E5
Rachel morphs into a cat to discover why her best friend is acting strange.
E6
Cassie discovers Ax, an injured Andalite, has crashed on the earth. Can Ax trust the Animorphs?
E7
The Animorphs have discovered a secret weapon to use against the Yeerks: maple-flavored oatmeal!
E8
The homesick Ax uses a high-powered telescope to contact his father.
E9
The Animorphs must infiltrate a new health clinic and stop the Yeerks before the governor is infected!
E10
Jake is acting pretty normal after falling into a Yeerk pool. The Animorphs keep Jake under close watch.
E11
Cassie has an allergic reaction to a crocodile's DNA and has trouble controlling when she morphs.
E12
An omniscient alien shows the Animorphs the probable future: the complete Yeerk domination of the earth.
E13
Rachel crashes in the woods while in hawk morph. The Animorphs rescue her from the Controllers.
E14
The Animorphs discover a terrible secret about Visser One and Marco's mother.
E15
The Animorphs destroy a Kandrona. Marco vows to fight the Yeerks until he gets his mother back.
E16
Tobias and Ax share memories with the help of Andalite technology.
E17
The weight of battling the Yeerk invasion is wearing on Jake. He wishes he'd never met Elfangor at all.
E18
The Animorphs discover that the Yeerks are dying in the heads of many Controllers. They fight to save freed Controllers.
E19
How will the Animorphs fend off a new breed of Yeerks that doesn't need a Kandrona to live?
E20
The Animorphs try to stop a massive Yeerk infestation after obtaining new powers from the captured Yeerk disk.