When Miles gets the opportunity to captain the Stellosphere, his skills are put to the test when he must save his family and Professor Rubicon.

The TTA assigns the Callistos to recover a robot on the Planet Trexor.

While Miles and Blodger babysit the Blopp twins, they take a ride on an experimental new vehicle.

Miles' eagerness to go Astro-caving with Uncle Joe and the Cosmic Explorers makes him overlook his preparations.

Blodger is excited to get his very own robot-pet.

Miles goes on a mail run with Mr. Xylon on Career Day.

The Callistos' family adventure becomes a race to save a rare species.

After a group of robo-penguins get lost in a blizzard, Miles and Mirandos help herd them home.

Miles and Haruna's toy rockets inadvertently create problems for a colony of tiny aliens.

Miles makes a superhero movie as a birthday present for his dad.

When Gadfly steals the Galactech Globe, the Callistos must work together to get it back.

After Watson and Crick lock themselves in a high-security lab, it’s up to Miles to free them.

When Miles unlocks a secret level in his holo-game, he enters a mysterious world.

The Callistos try to get Stella back after her probe gets lost in the Sun.

On the first day of school, Miles must help save his teacher Dr. Consilium.

When Miles tries Leo’s new water maker machine, he accidentally floods the Stellosphere.

At the Galactech Fair, Miles demonstrates Leo's new Exo-Flex-X suit.

The Cosmic Explorers are on a mission to stop Gadfly from stealing the Young Inventors Pavilion.

Miles and Haruna's self-built vehicles cause the Cosmic Explorers to get trapped!

Miles must stop a swarm of IOTA helper bots from taking over the Stellosphere!

Miles invites his grandparents on a mission to retrieve their long lost starship.

"M.E.R.C. accidentally sleep-rockets to a planet where robots don’t exist.

Miles and Leo’s scavenging trip turns into a mission to help a lost robot.

Miles’ homemade movies are a success on an alien planet.

When the planet Bloppsburgh loses power, the Callistos ask space meteorologist and storm-chaser Dr. Z to help find a way to restore it.

Miles and the Cosmic Explorers' first TTA mission goes awry when the Construction Bots are stolen.

Rockstar Bootjet Groovestar joins the Callistos on a mission to find his groove again.

The thief Gadfly aims to drill for Staridium on the planet Lumaro, so the Callistos must find a way to stop him.

When Commander S'Leet uses the Idea Lander to find a second Galactech Globe, it's up to Miles, Loretta, and Blodger to try to stop him.

The Callistos attempt to catch Commander S'Leet, who has stolen all of the TTA ships.

Miles and his Cosmic Explorer friends go rafting on an alien planet to earn a rare holo-badge.

When Queen Gemma leads the Cosmic Explorers on a bird watching hike, nothing goes according to plan.

When a planet full of dinosaurs is threatened by an asteroid, Miles and his family must unravel ancient secrets to save them.

Space Trader Dashiell Scamp needs the Callistos’ help getting a dinosaur off his ship.

When the Stellosphere goes haywire, Miles and Loretta must fix it before their parents finds out.

Miles and Loretta interview a stormchaser but soon become part of the story.

When Loretta can’t go on a school field trip, Miles volunteers to collect data for her BraceLex.

Miles and Loretta learn how to create their own holo-game.

Gadfly creates a Baby Goon, a toddler who threatens the ship.

The Callistos go on an expedition to Jupiter's moon Europa.

S'Leet freezes the Stellosphere in solid ice to steal the Arkstar.

When the Callistos start disappearing one-by-one, Miles and Blodger must find them!

Miles goes on a quest to find a lost musical instrument for his grandfather's birthday

After being stranded, Miles, Loretta and Merc get help from a robo-monkey.

When Miles, Loretta, Haruna, Blodger and Mirandos complete their final Cosmic Explorer badge, they are promoted to the Mission Acadamy!