The sub is off course in Burgundy, and Bonnie starts a mutiny.\n
Source: CBBC
Series 1: 27. The Mutiny, Part 1
The sub is off course in Burgundy, and Bonnie starts a mutiny.\n
03-08-2026
CBBC
Series 1: 7. King Pong
A ping-pong tournament exposes Jim and Bianca’s true skill levels.
02-08-2026
CBBC
Series 1: 6. Bianca's Crazy Day
Bianca must pay Roy’s ransom without Jim finding out!
02-08-2026
CBBC
Series 1: 5. Foam Party
Jim feels left out when the sardines throw a party to which he is not invited.\n
02-08-2026
CBBC
Series 1: 20. Going, Going Gone!
Jim has to let Yannick go, but his charm makes it impossible.
31-07-2026
CBBC
Series 1: 19. The Hunt For The Red Pompom
Jim must find the pompom he took by mistake.
30-07-2026
CBBC
Series 1: 18. Scubascooper
Jim’s robot cleaner thrills the sub - until limpets go missing.
29-07-2026
CBBC
Series 1: 17. The Wonder Of Choice-making
Jim learns the fortune teller is actually Cyril in disguise.
28-07-2026
CBBC
Series 1: 16. Road Rage
Jim gets behind the wheel to confront a road hog.
27-07-2026
CBBC
Series 1: 4. Pit Stop
Jim implements various water-saving measures in the submarine.\n
26-07-2026
CBBC
Series 1: 15. The Vacation
Cyril secretly tags along on Jim and Bianca’s camping trip.
24-07-2026
CBBC
Series 1: 16. Road Rage
Jim gets behind the wheel to confront a road hog.
27-07-2026
CBBC
Series 1: 4. Pit Stop
Jim implements various water-saving measures in the submarine.\n
26-07-2026
CBBC
Series 1: 6. Bianca's Crazy Day
Bianca must pay Roy’s ransom without Jim finding out!
02-08-2026
CBBC
Series 1: 11. Off The Radar
Bianca’s past returns, and the sub goes undercover to protect her.\n
20-07-2026
CBBC
Series 1: 18. Scubascooper
Jim’s robot cleaner thrills the sub - until limpets go missing.
29-07-2026
CBBC
Series 1: 17. The Wonder Of Choice-making
Jim learns the fortune teller is actually Cyril in disguise.
28-07-2026
CBBC
Series 1: 24. Crunchyfish
A fake breaded mascot shatters Jim’s belief system.
12-07-2026
CBBC
Series 1: 5. Foam Party
Jim feels left out when the sardines throw a party to which he is not invited.\n
02-08-2026
CBBC