After Marion's failed attempt at getting information, Cassie decides to advertise for bounty hunters to find her missing father, but they mistake them for wanted posters and Marion and Cassie try to stop them before the hunt starts.
Marion accidentally ejects all their supplies. The two are left drifting in space, slowly starving to death and unexpectedly stumble across an environmental dome guarded by a plant growing robot.
Marion and Cassie on the run, crash land on a nearby planet where a secret order of monks worship the oracle, Almighty Chin, whilst a treasure hunter seeks to steal the golden chin.
Cassie receives a distress signal from a wrecked space station. Once there they discover a robotic puppy, Cassie calls Spot and keeps. They both discover that Spot has constructive and destructive tendencies.
Marion keeps making bets with Abnormality Jane, however when he runs out of stuff to bet with, he bets Cassie. Jane wins her and makes her her slave. Now Marion has to rescue her within three days or her life is at stake!
Our heroes recieve a message from another ship and a stranger called Ecto Hella boards their ship only to run off with.....Cassie's body. Using a device he stole from a scientist, Hella can swap bodies. Can Marion get Cassie back in her body or will it all get terribly confusing?
Marion and Cassie crash land on a small planet populated by furry little critters called Humbles. They also help prevent the Humbles from getting beaten up by Moose who visits their village every day to throw his weight around and show them who's boss. So Marion decides to help them stick up for themselves...but will he be successful?
The planet which Cassie and Marion land on, is the living planet Walter, who can help Cassie if she summons inhabitants to him. Their plan is successful, but Walter has duped them the whole time.
On Gulgathar XIII, Cassie and Marion follow the trail of a devious manager who is draining people's brain power to sell on the black market. After a brief battle, they restore the city of its brains.
Our heroes run into a woman with a baby, who is running away. Marion and Cassie are left with the baby, then they are stunned to learn that he can change from a baby to a toddler, to a teenager, to a middle-aged man, to an old guy, to an even older guy, in an instant! and worse the cycle repeats.
Still stranded on Gulgathar XIII, Cassie and Marion work their way to buy a new ship, but Marion accidentally divides his personality into several individual beings. It is only a matter of time before the side effects can do real damage.
At a junk ship store, Cassie and Marion rescue a scrapper robot Lenny from his abusive owner. Lenny gets the duo in trouble the more he follows them. After Lenny gets destroyed, they find he had in him, the duo's ship the whole time.
A space whale Bertha is transporting a stolen atomic bomb, which will soon detonate. Cassie and Marion board the cargo hold and carry out the difficult task of defusing the bomb.
A mysterious space nebula causes Cassie and Marion to be reunited with their families. They discover this force is only fooling their senses caused by a lonesome being who desires eternal company.
Cassie and Marion are stranded on in a strange place and Marion meets his old friend Raymore, who reveals they are in the stomach of a giant space slug. The duo escape, but Raymore feels more at home with the space slug.
A designer Claude le Fraude finds Cassie the perfect model and she accepts in hope her father will notice. Claude's true intention is fattening his models for a feast. The duo are rescued by the service bouncer.
On Swapsi XVII, Marion has swapped the duo's ship for an ice asteroid, which the devious manager is out to melt. Bertha assists them on their dangerous delivery.
Cassie and Marion board a space liner which has been overtaken by mutinous robots. The duo lead the crew to counter revolution the robots and successfully shut them down.
Marion goes detective to find the culprit who is disabling the robots of the space liner. Marion pins Cassie for the culprit, granting the opportunity to expose the first presumed victim robot as the actual culprit.
Cassie and Marion lose themselves in the Lost World beyond a blackhole. Later they are on the run from lost bounty hunters, but they escape by mysterious methods.
Cassie and Marion are brought to Prankaria, a planet inhabited by monkey jokers. Marion becomes their king. Cassie makes a mistake by helping the anti-prankster monkeys. The duo depart to avoid further intervention.
A thief with an uncanny resemblance to Marion has stolen a dimensional device and shelters in the duo's ship. They are pursued by an alternate Cassie who captures the wrong Marion, but Cassie rescues him.
On a planet, a city of miniature bunnies convict giant monsters and Cassie also get caught. Marion teams up with a monster-loving bunny to liberate them, but the duo turn against them to stop them from destroying the city.
On a hostile planet, the duo are taken by desert pirates and Marion becomes their new captain. As the go after the great white worm, Captain Reeham tries to reclaim his place, but Cassie conquers him.
Leaving off the part where the duo cause a stir on Nautia MMM, Student Cassie feels like a misfit due to her space fantasy. Marion reveals they are in some mental prison and the duo manage to break out of it.
Marion and Cassie are still searching, when their ship stops...right in the middle of space! They discover that Marion is to be put on trial for losing his cool, defaming the reputation of bounty hunters and...something else. We discover through a series of flashbacks, both from Cassie and Marion, that while Marion does lose his cool and act like an idiot, he and Cassie will always be there forever.
