Season 1

E1. My Name Is Jake (1)

Sep 15, 1998 · 24m

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

E2. My Name Is Jake (2)

Sep 15, 1998 · 24m

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

E3. Underground

Sep 22, 1998 · 24m

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

E4. On the Run

Sep 29, 1998 · 24m

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

E5. Between Friends

Oct 6, 1998 · 24m

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

E6. The Message

Oct 13, 1998 · 24m

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

E7. The Escape

Oct 20, 1998 · 24m

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

E8. The Alien

Oct 27, 1998 · 24m

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

E9. The Capture (1)

Nov 3, 1998 · 24m

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

E10. The Capture (2)

Nov 10, 1998 · 24m

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

E11. The Reaction

Nov 17, 1998 · 24m

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

E12. The Stranger

Nov 24, 1998 · 24m

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

E13. The Forgotten

Dec 1, 1998 · 24m

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

E14. The Leader (1)

Jan 5, 1999 · 24m

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

E15. The Leader (2)

Jan 12, 1999 · 24m

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

E16. Tobias

Jan 19, 1999 · 24m

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

E17. Not My Problem

Jan 26, 1999 · 24m

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

E18. The Release

Feb 2, 1999 · 24m

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

E19. Face Off (1)

Feb 9, 1999 · 24m

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

E20. Face Off (2)

Feb 16, 1999 · 24m

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