Miles and M.E.R.C. rescue a trapped pilot before his ship crashes into Jupiter's fiery moon, Io.
On a father/son surf trip, Miles and Leo must work together to escape the Zuma Whirlpool.
Miles and his family must figure out why a probe stationed on a dry planet has sustained water damage.
The Callisto family is visited by alien Blodger Blopp as part of a Cosmic Explorers exchange program.
When the Callisto family is captured by an alien queen, Miles must rely on his simulated gaming skills to save them.
While vacationing on the dry planet of Alarbus, Miles and Loretta uncover an ancient secret.
During a mission on an ice-covered planet, Miles must save Loretta when she is swept down a river towards a waterfall.
When the lights go out on the planet Calpurnia, Miles and Loretta must protect their ship from light-eating Flickorax aliens.
Miles' attempt to fix Leo's latest gadget sends a diplomatic dinner into complete chaos.
Merc worries that his place with the Callisto family is threatened when they try out a new robot named Axel.
When space thief Gadfly Garnett sneaks onboard the Stellosphere and blasts away with Miles and M.E.R.C. still inside, Miles' UNCLE Joe, captain of the SpaceGuard, comes to the rescue.
When a moonquake traps the Callistos behind a rockslide, Miles must use his strength-enhancing Exo-Flex suit to save them.
Miles, Loretta and Leo try to give Captain Phoebe a great Captain's Day by embarking on a difficult space task.
During a mission to Antheia, a planet completely covered with orange plants, the Callistos discover something stranger than the plants.
When the Callisto family is accidently shrunken down by the Tomorrowland Mail-alien, the tiny family must work together to help Merc save an off-course starship.
The Callistos encounter a pod of Quarkons blocking the Photon Superhighway.
Miles helps scout out the perfect planet for his Earth friend Haruna to live on.
The Callistos must figure out how to escape when a giant Sporjot alien swallows the Stellosphere.
Miles brings home a fuzzy rock to add to his collection and soon learns it is actually an alien life form.
Miles goes on a ride-along with his uncle, Captain Joe of the SpaceGuard, and finds himself in pursuit of space villain Gadfly Garnett.
Miles borrows Leo's Blastboard without permission and discovers an alien dinosaur.
On a mission to transport robo-animals to their new families, the Callistos hit a road block on the Tethosphere.
When the StarJetter crash lands on an uninhabited planet, the Callistos must survive without the help of technology.
The Callistos must track down the culprit responsible for dumping trash into the orbit around the planet Alarbus.
Miles must help his family when a giant winged creature mistakes the Star Jetter for its egg.
Miles learns a lesson in sportsmanship when he enters the Tomorrowland Pilot of the Future race.
The Callistos encounter Spectryx, an alien who can only see in the infrared spectrum.
During a field trip to Neptune, a malfunction causes the research station to flip over and sink.
When Stella's system experiences a technical malfunction, Miles must figure out a way to fix it.
On Yuri's Night, the Callistos are tasked with bringing alien musician Bootjet Groovestar to the Tethoscape.
When the Callistos' have dinner at alien chef Lysander Floovox's new restaurant, their meal is interrupted by Gadfly Garnett.
Miles attempts to follow in his dad's footsteps by modifying the Stellosphere's multivator.
Miles' grandparents join the Callistos to celebrate the Luna New Year.
Miles is invited to go on his first hoverbike road trip with Leo and Captain Joe
The Callistos must find a way to save a group of creatures that fight against them.
Miles and Loretta meet Master Skellig Ro, a legendary guru in the martial art Naxos
The Callistos discover a tiny race of creatures living inside an oncoming asteroid.
M.E.R.C. becomes magnetized after getting stuck in an interstellar dust cloud.
The Callistos must use robots to save a planet from an invasive species of moss
The Callistos launch a search and rescue mission when a massive tardigrade escapes Dr. Rubicon's lab and gets lost in space.
A scavenger hunt turns into a rescue mission when Miles' friend disappears.
The Callistos search for Phoebe's missing sister Frida and must rescue her before Mars' volcano erupts
Gadfly helps the Callistos locate stolen space equipment.
Miles and his friends must act quickly when a new space elevator malfunctions.
The Callistos are sent to investigate eerie sightings on a dark moon.
The Callistos enter a dark nebula and find some spooky inhabitants.
An Exo-Flex training session becomes complicated for Miles and his friends.
The Callistos search for the missing Professor Rubicon, who was last seen researching ancient dinosaur fossils.
Miles, Loretta and Auntie Frida's trip to Pluto coincides with Commander S'Leet's plan to take over a planet.
Miles and Haruna must stop Gadfly from a galactic heist of a new solar-powered space train.
M.E.R.C. volunteers to help catch the thief responsible for a slew of recent robot thefts.
Queen Gemma's family gets diverted on their way to compete against the Callistos in the Quantum Cup.
The Callistos travel to the planet of Sandrosk to save a colony from a sandstorm.
The Callistos are sent to Pipp's underwater hometown of Atlantix, but their mission is interrupted.
Miles and Loretta call for help from their friends after the Stellosphere malfunctions.
The Callistos inadvertently bring aboard a group of mischievous critters.
Loretta uses her coding skills to discover a hidden planet.
The Callistos' Christmas trip is interrupted by Commander S'leet when he causes it to snow inside the Tethoscope.
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.
Miles goes on a mail run with Mr. Xylon on Career Day.
Blodger is excited to get his very own robot-pet.
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.
Miles and the Cosmic Explorers' first TTA mission goes awry when the Construction Bots are stolen.
When the planet Bloppsburgh loses power, the Callistos ask space meteorologist and storm-chaser Dr. Z to help find a way to restore it.
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.
When Queen Gemma leads the Cosmic Explorers on a bird watching hike, nothing goes according to plan.
Miles and his Cosmic Explorer friends go rafting on an alien planet to earn a rare holo-badge.
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.
Dashiell Scamp uses a robot decoy of Watson & Crick to fool the Callistos for a heist.
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!
