Submarine Jim
A naive young Dolphin named Jim finds himself in charge of navigating the first-ever submarine on wheels. Jim is joined by his motley crew of underwater buddies as they journey across land and sea. Their water-filled tube has left the ocean to seek out an unlikely destination, the pristine waters of 'Fishland.' Luckily, with no set route in sight, their journey promises to be a long and winding one.
- 2026-2026
- 1 season
- Cartoon Network
- Animation, Action & Adventure, Comedy, Family
- TV-Y7
A naive young Dolphin named Jim finds himself in charge of navigating the first-ever submarine on wheels. Jim is joined by his motley crew of underwater buddies as they journey across land and sea. Their water-filled tube has left the ocean to seek out an unlikely destination, the pristine waters of 'Fishland.' Luckily, with no set route in sight, their journey promises to be a long and winding one.
Season 1 Episode Guide
52 Episodes 2026
Episode 1
Saving Private Sardine
11 mins
Jim sends a detachment of sardines out to retrieve the day's newspaper. But radio contact suddenly goes silent, making everyone fear the worst. Jim takes Bianca and sets off on a rescue mission.
Episode 2
Bob
11 mins
Jim finds himself in hot water when harassed by a sea urchin. Cyril suggests a civilized discussion; Bianca wants to get physical. Neither method works. Jim must find his own solution to get himself out of this situation.
Episode 3
How to Shop
11 mins
Fed up with plankton, the crew is on edge. Cyril suggests a bold plan to get the red sauce humans use to flavor food. Jim eagerly agrees without thinking it through. Their supermarket mission quickly spirals out of control.
Episode 4
Pit Stop
11 mins
Water consumption in the submarine restrooms is too high. Jim introduces water-saving measures with the help of his eco-minded crew. But with good intentions clashing with urgent needs, how will it all play out?
Episode 5
Foam Party
11 mins
Jim finds out that the sardines have parties, and it looks like he is somehow not on the list. He tries to not take it personally, but it's hard to be both a captain and a friend.
Episode 6
Bianca's Crazy Day
11 mins
Jim thinks Bianca is great with Roy, but she slacks off and spends time making valuable pompons. When Roy is kidnapped, Bianca must pay the ransom with her precious pompoms before Jim finds out.
Episode 7
King Pong
11 mins
Jim and Bianca are convinced they're the best ping-pong players on the sub and organize a tournament. But despite practicing every day, they come dead last. What's the deal? And what can they do to win?
Episode 8
Big Boy Pants
11 mins
The sardines are tired of the same old plankton food. Jim needs to tell Fabienne, the head chef, to change the menu. The problem? She only talks to adults. With Bianca and Cyril's help, Jim tries to act more grown-up.
Episode 9
The Expert
11 mins
Jim brings Bianca, the 'human expert,' on a mission to collect onions. But when they meet a girl in the onion garden, Jim realizes Bianca might not be the expert she claims to be.
Episode 10
Portrait of a Captain
11 mins
Jim wants a Captain's Portrait, and has Cyril commission three from the crew: one depicts him like a king, one as Bianca, and one like a wizard. He "tries on" each personality, but ends up plunging the sub into chaos.
Episode 11
Off the Radar
11 mins
The sub is immobilized by a wheel clamp, and Bianca is convinced Orca World's marine biologists have tracked her down. Jim swears to protect his pal and makes everyone go incognito in solidarity.
Episode 12
The Sub Teacher
11 mins
Cyril teaches a week-long seminar about humans leading up to an exam. For once, Jim is just a regular student and spends the week having fun with Bianca. But he soon realizes he's not as much of a human expert as he thought.
Episode 13
The Lake Break
11 mins
The crew is completely worn out, so Jim decides to take them camping. But he struggles to give up his captain privileges. Just as he starts to relax, it's already time to leave. Jim will do anything to delay their departure.
Episode 14
USS Mean Shark
11 mins
The tranquility of the submarine is troubled by the USS Mean Shark, another submarine on wheels crewed by mean sharks. The pirate sub keeps appearing on sonar again and again. But what is really behind this sinister ship?
Episode 15
The Vacation
11 mins
Jim and Bianca set off on an improvised camping trip in the desert. With no real plan for water, Cyril secretly tags along to keep an eye on them - but how long can he stay hidden in the shadows?
Episode 16
Road Rage
11 mins
Jim gets behind the wheel to confront a road hog. But as things escalate, it's getting harder for him to stay calm in front of his crew. How will the captain defuse the situation?
Episode 17
The Wonder of Choice-Making
11 mins
Jim discovers the "old fortune teller" guiding his decisions is actually Cyril in disguise. Without this crutch, Jim must learn to trust himself when a crisis hits the submarine.
Episode 18
ScubaScooper
11 mins
Overwhelmed by complaints and a messy sub, Jim gets a robot cleaner. Everyone's thrilled, except Bianca, who suspects trouble. When limpets go missing, Jim starts to doubt his ScubaScooper too.
Episode 19
The Hunt for the Red Pompom
11 mins
A distressed sardine rushes to Jim - his pompon has been stolen. As Cyril opens a case, Jim confesses to Bianca: he's the one who accidentally took Julian's pompom. Together, they embark on a mission to track it down.
Episode 20
Going, Going... Gone!
11 mins
The submarine has been driving backward for weeks, and Cyril demands Jim fire Yannick, the well-meaning but terrible pilot. But Yannick's charm makes the task nearly impossible, leaving Jim to wrestle with his own indecision.
Episode 21
The Condiment Incident
11 mins
Bianca and Jim smuggle goods onto the sub, but when Cyril discovers their side hustle and opens a jar of pickles, it contaminates the ship's ecosystem. Their only hope: "Operation Lollipop" to seal that jar.
Episode 22
The Dolphin for the Job
11 mins
Jim vanishes for an epic ping pong match with Bianca, only to return and find his crew barely noticed he was gone. If they don't need their captain, what's left for Jim to do?
Episode 23
The Two-Headed Sub
11 mins
Jim gets sick, and the crew realizes that no one knows who should be next in command: Cyril or Bianca? While they try and figure it out, both are named "co-captain". But sharing control soon becomes extremely difficult.
Episode 24
Crunchyfish
11 mins
Jim sees a Crunchyfish commercial featuring a talking breaded fish. When he realises the fish is just a human being wearing a costume, he's convinced that everyone's a fibber.
Episode 25
Movie Night
11 mins
Cyril is upset that he doesn't know the ending of the rom com he was watching. Jim and Bianca find a human to tell them the ending, but they lose him in the sub.
Episode 26
Captain Nice
11 mins
Jim wants in on the fun when the Urchins pick their representative. He tries to win by being Captain Nice, but soon the Urchins start taking advantage of him.
Episode 27
The Mutiny, Part 1
11 mins
When the submarine ends up in Macon, Burgundy instead of Las Vegas, Bonnie seizes the moment to start a mutiny, and Jim's control of the crew and the sub begins to slip.
Episode 28
The Mutiny, Part 2
11 mins
Bonnie now controls the submarine. Jim is in exile, trying to find a new purpose as a water boy. But how can he adjust when he's been a captain all his life?
Episode 29
Jim: Life on Gas Station
11 mins
Cyril and Bianca realise they have left Jim at a gas station. While they race to find their captain, Jim tries to survive among humans like an astronaut lost on a hostile planet.
Episode 30
The Good Neighbour
11 mins
Jim decides to rent the drawer above Cyril's. The anchovy is not happy at all. Especially when he discovers that Pattie, the so-called ideal tenant, is plotting to hand the desk over to her gang of limpets.
Episode 31
The Mentor
11 mins
Seeing Bonnie in trouble, Jim decides to become her mentor - even though she is his sworn enemy. Far from pleasing Bonnie, this makes her furious, as she feels humiliated by Jim.
Episode 32
Cyril's Crazy Day
11 mins
Because he does everything in the submarine, Cyril cracks: he now thinks he's a little fairy who solves all problems, even if it means putting himself in danger.
Episode 33
Free Cindy
11 mins
When Cindy is taken by Bonnie and her pirates, Jim, Cyril, and Bianca come to her rescue. But Cindy is having too much fun with the pirates to want to leave. How will they talk the little whale into coming back to the sub?
Episode 34
Captain All by Myself
11 mins
Jim embarrasses himself in front of the crew because he doesn't know how to tie his bow tie by himself. Upset, he decides to prove that he doesn't need anyone's help - until he accidentally locks himself in his office.
Episode 35
The Ritual
11 mins
Jim refuses to perform the 'ritual sardine sacrifice' invented by his father. But faced with the panic of the crew, who fear that misfortune will befall them, Jim has to invent a new tradition.
Episode 36
Dear Diary
11 mins
Bonnie steals Jim's diary and threatens to reveal all his secrets to his crew if he doesn't give in to her demands. When Bianca and Cyril discover the despicable blackmail, they decide to take action to get the diary back.
Episode 37
First Contact, Part 1
11 mins
Captain Roy's first terrestrial expedition takes a disastrous turn, leaving the crew in chaos. All eyes turn to his son, Jim, to lead. But how can a young dolphin possibly fill his father's giant shoes?
Episode 38
First Contact, Part 2
11 mins
It's Jim's first day as captain, and the submarine is already hijacked by a mysterious sea creature. Thrown into his first high-stakes negotiation, does Jim have what it takes to lead?
Episode 39
Vegas
11 mins
Jim goes ahead as a scout, posting himself in a package. But the place he arrives at is nothing like he imagined: it's a motorhome belonging to two retirees. How will he break the news to the crew?
Episode 40
Last Brain Standing
11 mins
The crew seems to have suddenly become very stupid. Jim and Bianca must quickly find the cause of this general stupidity - because they too are starting to behave strangely.
Episode 41
A Sardine's Crazy Day
11 mins
Hildy, one of the crew sardines, realizes that no one really knows who she is or what her job entails. She then decides to leave the sub.
Episode 42
The Night Captain
11 mins
Jim discovers that Henry the old sardine is actually the night captain: he manages the partygoers, the insomniacs, the brawlers - everyone loves the night captain. So Jim wants to take his place.
Episode 43
Love Sub (A Sea Romance That No Fin Can Stop)
11 mins
Jim and Cyril think that Fabienne and Yannick are in love but don't dare confess their feelings. They decide to play Cupid, using their passion for romance novels to help them take the plunge.
Episode 44
Fix-It Jim
11 mins
After sliding a piece of paper under a wobbly table, Jim discovers he has a knack for DIY. He joins the urchins to put his new talent to good use. But Cyril and Bianca want to put him back in charge.
Episode 45
My Buddy Jeff
11 mins
After discovering that Shamik doesn't like him, Jim pretends to be an intern in order to befriend him. But the only way to achieve his goal is to speak ill of himself.
Episode 46
The Jims
11 mins
Concerned for Jim's safety, Cyril sets up a system of doubles to protect him from being kidnapped by pirates. But the anchovy becomes so paranoid that Jim can't even eat his own cookies anymore.
Episode 47
Detective Cyril
11 mins
The sub's steering wheel has disappeared. Fortunately, the crew includes a detective: Cyril. This time, he's in charge, and Jim will have to be his assistant. How will the two of them handle the situation?
Episode 48
The Visionary
11 mins
Jim puts the submarine upright to transform it into a flying vehicle. Convinced that he is a visionary captain, he fails to notice that the crew is having a very hard time adjusting to this new situation.
Episode 49
Pirate Jim
11 mins
To defeat a pirate, you have to become a pirate - which is exactly what Jim sets out to do when Bonnie steals their food one too many times. He then transforms his kind sailors into mean pirates.
Episode 50
The Fork
11 mins
Because he's missing a fork to serve his lavish dinner, Jim starts working for Don Limpetone, the leader of the limpets' gang.
Episode 51
Submarine Jim, Part 1
11 mins
The sub is stolen by pirates after they set a trap. Unable to find a solution, Jim accepts Cyril's proposal: to defrost Roy using an extraordinary human invention.
Episode 52
Submarine Jim, Part 2
11 mins
Jim finally reunites with his father, who has been defrosted and unbreaded. He hasn't changed. And that's not good: Roy is a bad captain, but he has no intention of let go of control - Will Jim be able to stand up to him?