Season 1

E1. Bob

Jan 11, 2026 · 11m

A sea urchin harasses Jim - can he find a way out?

E2. How to Shop

Jan 11, 2026 · 11m

Jim dives into Cyril’s bold plan to get a red sauce humans use.

E3. Foam Party

Jan 18, 2026 · 11m

Jim feels left out when sardines throw a party he is not invited to.

E4. King Pong

Jan 18, 2026 · 11m

A ping-pong tournament exposes Jim and Bianca’s true skill levels.

E5. Big Boy Pants

Jan 25, 2026 · 11m

Jim tries to act more grown up to avoid a mutiny over the menu.

E6. Off the Radar

Jan 25, 2026 · 11m

Bianca’s past returns and the sub goes undercover to protect her.

E7. The Vacation

Feb 1, 2026 · 11m

Cyril secretly tags along on Jim and Bianca’s camping trip.

E8. Road Rage

Feb 1, 2026 · 11m

Jim gets behind the wheel to confront a road hog.

E9. ScubaScooper

Feb 8, 2026 · 11m

Jim’s robot cleaner thrills the sub - until limpets go missing.

E10. The Hunt for the Red Pompom

Feb 8, 2026 · 11m

Jim must find the pompom he took by mistake.

E11. Going, Going... Gone!

Feb 15, 2026 · 11m

Jim has to let Yannick go, but his charm makes it impossible.

E12. The Dolphin for the Job

Feb 15, 2026 · 11m

Jim goes for a game of ping-pong, but his crew barely notices.

E13. Saving Private Sardine

Feb 22, 2026 · 11m

Jim sets out to rescue sardines lost during a newspaper run.

E14. Crunchyfish

Feb 22, 2026 · 11m

A fake breaded mascot shatters Jim’s belief system.

E15. Pit Stop

Mar 1, 2026 · 11m

Jim implements various water-saving measures in the submarine.

E16. Bianca's Crazy Day

Mar 1, 2026 · 11m

Bianca must pay Roy’s ransom without Jim finding out!

E17. The Expert

Mar 8, 2026 · 11m

Jim and Bianca embark on a risky mission to retrieve onions.

E18. Portrait of a Captain

Mar 8, 2026 · 11m

Jim commissions bold portraits to inspire his crew.

E19. The Sub Teacher

Mar 15, 2026 · 11m

Jim swaps command for the struggles of student life.

E20. The Lake Break

Mar 15, 2026 · 11m

Jim takes the crew camping at the bottom of a lake.

E21. USS Mean Shark

Mar 22, 2026 · 11m

The sub is haunted by the USS Mean Shark - but what is its goal?

E22. The Wonder of Choice-Making

Mar 22, 2026 · 11m

Jim learns the fortune teller is actually Cyril in disguise.

E23. Movie Night

Mar 22, 2026 · 11m

Jim captures a human to find out the ending of a movie.

E24. The Condiment Incident

Mar 29, 2026 · 11m

A jar of pickles contaminates the submarine, causing chaos.

E25. The Two-Headed Sub

Mar 29, 2026 · 11m

Jim is sick, so Cyril and Bianca take over - together.

E26. Captain Nice

Mar 29, 2026 · 11m

Jim tries to be Captain Nice, but the Urchins take advantage.