Episode 1 - They Called Him Pleskit!

The now-famous first alien child on Earth, Pleskit, makes his way to Colville Middle School for the first time. Fellow student Tim Tomkins tries to befriend the alien in order to learn more about him. Trouble ensues when Pleskit's bodyguard, Robert McNally, loses tradck of him.

Episode 2 - Aliens to Blow Up Earth!

When Pleskit gets nervous in front of the class, his antenna gives off electric sparks, causing the students to believe that aliens have the ability to blow up Earth. This causes the students' parents to panic and try to get Pleskit out of Coville Middle School.

Episode 3 - Alien Dinner Massacre!

Trouble ensues between Pleskit's parent mentor Meenom and Ms. Thomkins when Ms. Thomkins nearly kills Pleskit by giving him a glass of soda.

Episode 4 - They Saved Grandpa's Brain!

Pleskit takes his Grandpa's brain in a jar with him to school, only to lose it in the process. It ends up in the wrong hands- Jordan's.

Episode 5 - They Shoot, They Splorked!

Episode 6 - I Was Dealt a Dung Deal!

In order to help Tim win a science contest, Pleskit bends the rules by using his superior knowledge to help Tim. The boys create a way for cow manure to fuel cars. However, there's trouble when they find the fuel they've created turns explosive and someone has stolen the remainder of it.

Episode 7 - Sixth Grade Rebellion Mayhem!

There has been a lot of singing going on at Coville Middle School latley and no body knows why. What will happen if no body can stop singing!

Episode 8 - Pre-Teen Party from Outer Space!

Episode 9 - The Haunting of Blim Blomkins!

Episode 10 - Alien Time Warp Madness!

Episode 11 - Alien Dustbuster Bedlam!

Episode 12 - My Bodyguard Is a Rat Fink!

Episode 13 - Woodlander Bodysnatcher Pandemonium!

Pleskit brings a strange plant to the Woodlander Jamboree. Trouble ensues when the plant starts to turn all of the Woodlanders into zombies, including Pleskit.

Episode 14 - Floormat from the Putrid Lagoon!

Episode 15 - Invasion of the Substitute Teacher Superfiend!

Episode 16 - Alien Snogorama Snafu!

It's Valentine's Day and Pleskit creates a magic powder to make people fall in love with each other. The plan goes awry when Mrs. Weintraub falls in love with Principal Grand, and Lindy falls in love with Pleskit instead of Tim.

Episode 17 - Alien Appliance Outbreak!

While Pleskit is at the Thomkins apartment with Ms. Thomkins, his electrical energy makes all of the appliances in the apartment go crazy.

Episode 18 - Gro-Gro-Grown-Up Dementia!

Tim becomes trapped in the body of what he will look like when he becomes an adult.

Episode 19 - The Return of Captain Driscoll!

Tim brings his hero Captain Driscoll from the Tarbox Moon Warriors to life, and takes him to school. However, when Jordan steals the solution that was used to bring Driscoll to life, it gets spilled and a spider becomes giant.

Episode 20 - School Dance Gone Wrong!

It's Pleskit's first dance, but it doesn't turn out well when The Blur, Pleskit's fellow female alien nemesis, comes to the school.

Episode 21 - Escape from Planet Earth!

When Pleskit has a bad day and realizes that he'll never be accepted, he decides to head back to his home planet.

Episode 22 - Attack of the 1000 Foot Veeblax!

Pleskit brings a Veeblax (a small, strange animal) to school. After it eats all of Tim's lunch, including bologna (no aliens eat meat), Tim and Pleskit deduce that the Veeblax just must be feeling ill due to gas. They figure out that they're wrong when the Veeblax starts to grow larger than the entire school.