Season 1

01 Bob Episode 111th January 2026 A sea urchin harasses Jim - can he find a way out? 02 How to Shop Episode 211th January 2026 Jim dives into Cyril’s bold plan to get a red sauce humans use. 03 Foam Party Episode 318th January 2026 Jim feels left out when sardines throw a party he is not invited to. 04 King Pong Episode 418th January 2026 A ping-pong tournament exposes Jim and Bianca’s true skill levels. 05 Big Boy Pants Episode 525th January 2026 Jim tries to act more grown up to avoid a mutiny over the menu. 06 Off the Radar Episode 625th January 2026 Bianca’s past returns and the sub goes undercover to protect her. 07 The Vacation Episode 71st February 2026 Cyril secretly tags along on Jim and Bianca’s camping trip. 08 Road Rage Episode 81st February 2026 Jim gets behind the wheel to confront a road hog. 09 ScubaScooper Episode 98th February 2026 Jim’s robot cleaner thrills the sub - until limpets go missing. 10 The Hunt for the Red Pompom Episode 108th February 2026 Jim must find the pompom he took by mistake. 11 Going, Going... Gone! Episode 1115th February 2026 Jim has to let Yannick go, but his charm makes it impossible. 12 The Dolphin for the Job Episode 1215th February 2026 Jim goes for a game of ping-pong, but his crew barely notices. 13 Saving Private Sardine Episode 1322nd February 2026 Jim sets out to rescue sardines lost during a newspaper run. 14 Crunchyfish Episode 1422nd February 2026 A fake breaded mascot shatters Jim’s belief system. 15 Pit Stop Episode 151st March 2026 Jim implements various water-saving measures in the submarine. 16 Bianca's Crazy Day Episode 161st March 2026 Bianca must pay Roy’s ransom without Jim finding out! 17 The Expert Episode 178th March 2026 Jim and Bianca embark on a risky mission to retrieve onions. 18 Portrait of a Captain Episode 188th March 2026 Jim commissions bold portraits to inspire his crew. 19 The Sub Teacher Episode 1915th March 2026 Jim swaps command for the struggles of student life. 20 The Lake Break Episode 2015th March 2026 Jim takes the crew camping at the bottom of a lake. 21 USS Mean Shark Episode 2122nd March 2026 The sub is haunted by the USS Mean Shark - but what is its goal? 22 The Wonder of Choice-Making Episode 2222nd March 2026 Jim learns the fortune teller is actually Cyril in disguise. 23 Movie Night Episode 2322nd March 2026 Jim captures a human to find out the ending of a movie. 24 The Condiment Incident Episode 2429th March 2026 A jar of pickles contaminates the submarine, causing chaos. 25 The Two-Headed Sub Episode 2529th March 2026 Jim is sick, so Cyril and Bianca take over - together. 26 Captain Nice Episode 2629th March 2026 Jim tries to be Captain Nice, but the Urchins take advantage. 27 The Mutiny (1) Episode 273rd August 2026 The sub is off course in Burgundy, and Bonnie starts a mutiny. 28 The Mutiny (2) Episode 283rd August 2026 Jim is in exile and trying to find a new purpose as a water boy. 29 Jim: Life on Gas Station Episode 293rd August 2026 Jim has to survive in a gas station. 30 The Good Neighbour Episode 303rd August 2026 Cyril sees red when Jim rents the drawer above his. 31 The Mentor Episode 313rd August 2026 Jim becomes Bonnie's mentor. 32 Cyril's Crazy Day Episode 323rd August 2026 At the end of his tether, Cyril thinks he is a little fairy. 33 Free Cindy Episode 333rd August 2026 Pirates kidnap Cindy, who is living her best life. 34 Captain All by Myself Episode 343rd August 2026 Jim wants to prove that he can manage on his own. 35 The Ritual Episode 353rd August 2026 Jim has to invent a tradition to reassure the crew. 36 Dear Diary Episode 363rd August 2026 Bonnie threatens to reveal the contents of Jim's diary. 37 First Contact (1) Episode 373rd August 2026 All eyes turn to Jim when captain Roy is breadcrumbed. 38 First Contact (2) Episode 383rd August 2026 The submarine is hijacked on Jim's first day as captain. 39 Vegas Episode 393rd August 2026 Jim posts himself in a package to find Vegas. 40 Last Brain Standing Episode 403rd August 2026 The crew suddenly becomes stupid - but what is the cause? 41 A Sardine's Crazy Day Episode 413rd August 2026 One of the crew sardines decides to leave the sub. 42 The Night Captain Episode 423rd August 2026 43 Love Sub (A Sea Romance That No Fin Can Stop) Episode 433rd August 2026 Jim and Cyril think that Fabienne and Yannick are in love. 44 Fix-it Episode 443rd August 2026 Discovering his inner handyman, Jim joins the urchins. 45 My Buddy Jeff Episode 453rd August 2026 Jim takes on a new identity to become friends with Shamik. 46 The Jims Episode 463rd August 2026 Cyril sets up a system of doubles to protect Jim. 47 Detective Cyril Episode 473rd August 2026 The steering wheel has disappeared, so Jim and Cyril investigate. 48 The Visionary Episode 483rd August 2026 Jim transforms the sub into a flying machine. 49 Pirate Jim Episode 493rd August 2026 Jim becomes a pirate in order to defeat Bonnie. 50 The Fork Episode 503rd August 2026 Jim becomes a gangster without noticing. 51 Submarine Jim (1) Episode 513rd August 2026 Jim is looking for 15 microwaves to defrost his father. 52 Submarine Jim (2) Episode 523rd August 2026 Jim reunites with his dad, who wants to take back control.