Propulsean

"What?!? You should never feel bad! You're the one and only, amazing Sean!"

- Jet to Sean in "Sean's Neptune Tune"

Propulsean is the slash ship between Jet Propulsion and Sean Rafferty from the Ready Jet Go! fandom.

Canon
Jet and Sean are best friends. Jet's absurd, impulsive Bortronian ways contrast with Sean's need for logic and routine. Jet is always the first one to motivate Sean to go on a space mission, since he's usually hesitant to go. Nonetheless, Sean ends up appreciating Jet's wild optimism, and is positively influenced by him to take more risks. At first, they didn't have that many moments in Season 1, but towards the end of the season and the start of Season 2, they have much more moments than it's rival, Jydney.

Season 1
In "Mindy Pet-Sits," Sean is surprisingly excited to go to space for once, since he wants to look for the Northern Lights. He gets all up in Jet's face when he tells him about it. Jet checks Sean's hand to see if he has a fever before Sean nervously swipes it away. In "Project Pluto," Jet, Sean, and Sydney debate with the scientists over whether Pluto should be classified as an official planet or not. Sean is disappointed that Pluto isn't a planet, but Jet cheers him up by placing his hand on his shoulder. In "Tiny Blue Dot," Sean talks to himself about how he hopes to be an astronaut. Jet puts his arm on his shoulder and tells him that he's already an astronaut.

In "Sean's Neptune Tune," Sean is scared about going to Neptune, and is embarrassed to tell Jet and Sydney. When he finally tells them, Jet reassures him that he's "the one and only, amazing Sean" and that he should never feel embarrassed. Jet comes up with a song about Neptune that soothes Sean's worries. In "From Pluto with Love," the gang visits Pluto to bring it a Valentine. Mindy and Sydney wrote what is essentially a love song for it called "Dear Little Frozen Pluto." During the song, Jet and Sean dance with each other. Sean even lifts Jet in the air, similar to the famous scene in Dirty Dancing. In "Holidays in Boxwood Terrace," Jet spends a good portion of the episode gushing over Sean's beautiful singing voice.

Season 2
In the TV movie "Back to Bortron 7," Jet's parents are going back to their homeplanet of Bortron 7 for a presentation about Earth. They decide to bring Sean and Sydney along with them, since their parents are going to be gone for the weekend anyway. Sean is convinced to go to Bortron 7 by the power of song. Sean hopes he doesn't regret it, and Jet puts his arm around him, saying "what could possibly go wrong?"

On the flight to Bortron 7, Sean gets homesick for Earth. Celery puts the mothership into interstellar superdrive, and we zoom into Sean's eye. Sean has a dream of sorts, where he sings a duet with Jet called "There's No Planet Like My Planet." In the dream there is only him and Jet, no one else. They hold glowing orbs and are looking at each other and smiling. Sean might like Bortron 7, he sings. Sean wakes up from his dream and smiles. It is through this sequence that Sean feels confident to go to Bortron 7. Immediately afterwards, Jet introduces Sean to the Holo-Room, which can be programmed to look like any place. Jet makes the room look like Little Dipper Lake back on Earth. Together they go into the hologram, completely alone. Jet lies next to Sean while Sean gives a longing look towards him.

It is in this season that Jet coins an affectionate nickname for Sean, "Sean-zo." None of Jet's other friends have nicknames, so this is significant. It first appeared in "Zerk Visits Earth," and later appeared in the episodes "Earth, Wind, and Flyer," "Water, Water Everywhere," "Commander Cressida Story Contest," "Mindy Turns Five," "That's One Gigantic Pumpkin, Jet Propulsion!", "Bortron Leprechaun," "Mindy's Bedtime," "Magnet, PI," "Eye in the Sky," "Total Eclipse Block Party," "Every Day is Earth Day," "Ain't No Mars Mountain High Enough," and "Moon Face." Sean claims this nickname as his own later on, calling his magician persona "The Great Seanzo" in "Magnet, PI."

Jet and Sean danced with each other again in "Mindy's Ice Rink." This time, it's Jet who lifts up Sean. In "Potatoes on Mars," Jet gets close to Sean's face and tells him, in song, that he just has to go to Mars. In "Sean's Robotic Arm," Jet massages Sean's shoulder twice. In "Eye in the Sky," Jet is in awe of Sean's Space Scout uniform. Then, from Jet's point of view, there are close-ups of Sean's legs, chest, back, and hat, and tells Sean it's a nice outfit. Later, while riding a unicycle, Jet puts Sean on his shoulder.

In "Lone Star 2 - Rocket Kids!" the kids are making a foot rocket. Sean volunteers his prized Neil Armstrong figure to go in the rocket. Sean is nervous, but Jet pats his shoulder and gives him a tender look. While making the foot rocket, the kids imagine themselves in the story of Lone Star. Sean's character, the shopkeeper, is doubtful and grumpy towards Jet's character, Lone Star, but later admits to liking the 'kooky feller' while dreamily staring at him.

In "One Small Step," Jet and Sean are completely in sync, as Sean is excited to go to the moon to celebrate the 50th anniversary of the Apollo 11 mission. Later, Jet goes missing on the moon, but when he is found, Sean hugs him. Notable because all the way back in "Kid-Kart Derby," Sean stood to the side while everyone else hugged Jet, but in this special, he works up the courage to hug him.

Space Camp
Jet and Sean don't have that many scenes together in the feature film. When Jet reveals that he's taking the spaceship to Mascarpone, a planet that is thousands of lightyears away from Earth, Sean scolds him for this insane idea out of worry. Later, when Jet falls into despair, Sean helps cheer him up and proclaims that he will help him and be there for him. Then it cuts to a closeup shot of them holding hands.

Quotes
"I have to grudgingly admit; I admire this kooky feller, who makes loopy ideas happen with his newfangled engineering."

- Shopkeeper Sean talking about Lone Star Jet in Lone Star 2 - Rocket Kids!

Fanon
Propulsean is the most popular RJG! ship, though it wasn't always that way. When the show started out, Jydney had a lot of moments, but by "Back to Bortron 7," Propulsean became more popular due to their cute and heartwarming moments in that special. It only got more popular over the course of Season 2. It is well-liked because of Jet and Sean's 'odd couple' dynamic and how they bring out the best in each other.

Fandom
FAN FICTION
 * Nurse Jet and Patient Name: Propulsion, two fanfictions on FanFiction.net with both friendship and romantic elements of Propulsean.


 * Happy New Year, Jet Propulsion! on FanFiction.net isn't labeled as a Jet/Sean fic, but does have ship tease for them.

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Trivia

 * The pink and purple orbs that they held, as well as their blue spacesuits, make up the colors of the bisexual pride flag. Jet was indirectly stated to be bi by the creator, but fans don't know if Sean is gay or bi.
 * The "Potatoes on Mars" song that Jet sings to Sean is based on "Life on Mars" by David Bowie, who was bisexual.
 * Sean likes it when Jet calls him "Sean-zo," but he got annoyed at Mindy, a girl, for calling him that in "Mindy's Bedtime."
 * Jet and Sean were the first characters to be developed for the series. In fact, the show was originally only about them. It was called Lenny and Nate.