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

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

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

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

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

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

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

Jim gets behind the wheel to confront a road hog.

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

Jim must find the pompom he took by mistake.

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

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

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

A fake breaded mascot shatters Jim’s belief system.

Jim implements various water-saving measures in the submarine.

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

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

Jim commissions bold portraits to inspire his crew.

Jim swaps command for the struggles of student life.

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

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

Jim learns the fortune teller is actually Cyril in disguise.

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

A jar of pickles contaminates the submarine, causing chaos.

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

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