Episode 1
Miles and M.E.R.C. rescue a trapped pilot before his ship crashes into Jupiter's fiery moon, Io.
Episode 2
On a father/son surf trip, Miles and Leo must work together to escape the Zuma Whirlpool.
Episode 3
Miles and his family must figure out why a probe stationed on a dry planet has sustained water damage.
Episode 4
The Callisto family is visited by alien Blodger Blopp as part of a Cosmic Explorers exchange program.
Episode 5
When the Callisto family is captured by an alien queen, Miles must rely on his simulated gaming skills to save them.
Episode 6
While vacationing on the dry planet of Alarbus, Miles and Loretta uncover an ancient secret.
Episode 7
During a mission on an ice-covered planet, Miles must save Loretta when she is swept down a river towards a waterfall.
Episode 8
When the lights go out on the planet Calpurnia, Miles and Loretta must protect their ship from light-eating Flickorax aliens.
Episode 9
Miles' attempt to fix Leo's latest gadget sends a diplomatic dinner into complete chaos.
Episode 10
Merc worries that his place with the Callisto family is threatened when they try out a new robot named Axel.
Episode 11
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.
Episode 12
When a moonquake traps the Callistos behind a rockslide, Miles must use his strength-enhancing Exo-Flex suit to save them.
Episode 13
Miles, Loretta and Leo try to give Captain Phoebe a great Captain's Day by embarking on a difficult space task.
Episode 14
During a mission to Antheia, a planet completely covered with orange plants, the Callistos discover something stranger than the plants.
Episode 15
The Callistos encounter a pod of Quarkons blocking the Photon Superhighway.
Episode 16
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.
Episode 17
Miles helps scout out the perfect planet for his Earth friend Haruna to live on.
Episode 18
The Callistos must figure out how to escape when a giant Sporjot alien swallows the Stellosphere.
Episode 19
Miles goes on a ride-along with his uncle, Captain Joe of the SpaceGuard, and finds himself in pursuit of space villain Gadfly Garnett.
Episode 20
Miles brings home a fuzzy rock to add to his collection and soon learns it is actually an alien life form.
Episode 21
Miles borrows Leo's Blastboard without permission and discovers an alien dinosaur.
Episode 22
On a mission to transport robo-animals to their new families, the Callistos hit a road block on the Tethosphere.
Episode 23
When the StarJetter crash lands on an uninhabited planet, the Callistos must survive without the help of technology.
Episode 24
The Callistos must track down the culprit responsible for dumping trash into the orbit around the planet Alarbus.
Episode 25
Miles must help his family when a giant winged creature mistakes the Star Jetter for its egg.
Episode 26
Miles learns a lesson in sportsmanship when he enters the Tomorrowland Pilot of the Future race.
Episode 27
During a field trip to Neptune, a malfunction causes the research station to flip over and sink.
Episode 28
The Callistos encounter Spectryx, an alien who can only see in the infrared spectrum.
Episode 29
On Yuri's Night, the Callistos are tasked with bringing alien musician Bootjet Groovestar to the Tethoscape.
Episode 30
When Stella's system experiences a technical malfunction, Miles must figure out a way to fix it.
Episode 31
When the Callistos' have dinner at alien chef Lysander Floovox's new restaurant, their meal is interrupted by Gadfly Garnett.
Episode 32
Miles attempts to follow in his dad's footsteps by modifying the Stellosphere's multivator.
Episode 33
Miles' grandparents join the Callistos to celebrate the Luna New Year.
Episode 34
Miles is invited to go on his first hoverbike road trip with Leo and Captain Joe
Episode 35
Miles and Loretta meet Master Skellig Ro, a legendary guru in the martial art Naxos
Episode 36
The Callistos must find a way to save a group of creatures that fight against them.
Episode 37
The Callistos discover a tiny race of creatures living inside an oncoming asteroid.
Episode 38
M.E.R.C. becomes magnetized after getting stuck in an interstellar dust cloud.
Episode 39
The Callistos must use robots to save a planet from an invasive species of moss.
Episode 40
The Callistos launch a search and rescue mission when a massive tardigrade escapes Dr. Rubicon's lab and gets lost in space.
Episode 41
The Callistos search for Phoebe's missing sister Frida and must rescue her before Mars' volcano erupts.
Episode 42
A scavenger hunt turns into a rescue mission when Miles' friend disappears.
Episode 43
Gadfly helps the Callistos locate stolen space equipment.
Episode 44
Miles and his friends must act quickly when a new space elevator malfunctions.
Episode 45
the Callistos are sent to investigate eerie sightings on a dark moon.
Episode 46
The Callistos enter a dark nebula and find some spooky inhabitants.
Episode 47
An Exo-Flex training session becomes complicated for Miles and his friends.
Episode 48
The Callistos search for the missing Professor Rubicon, who was last seen researching ancient dinosaur fossils.
Episode 49
Miles, Loretta and Auntie Frida's trip to Pluto coincides with Commander S'Leet's plan to take over a planet.
Episode 50
Miles and Haruna must stop Gadfly from a galactic heist of a new solar-powered space train.
Episode 51
M.E.R.C. volunteers to help catch the thief responsible for a slew of recent robot thefts.
Episode 52
Queen Gemma's family gets diverted on their way to compete against the Callistos in the Quantum Cup.
Episode 53
The Callistos travel to the planet of Sandrosk to save a colony from a sandstorm.
Episode 54
The Callistos are sent to Pipp's underwater hometown of Atlantix, but their mission is interrupted.
Episode 55
Mayhem ensues when the Callistos bring aboard a group of mischievous critters.
Episode 56
When the Stellosphere is out of commission, Miles and Loretta call on their friends for help.
Episode 57
The Callistos' Christmas trip is interrupted by a villain named S'leet who causes it to snow inside the Tethoscape!
Episode 58
Loretta discovers a hidden planet full of snow and ice.
Episode 59
When a black hole reveals a clue left by an ancient race, the Callistos discover a secret galaxy containing the key to saving their own.
