Submarine Jim
Submarine Jim is a TV show on CBBC. Young dolphin Jim is tasked with steering the world’s first submarine on wheels. The program has been available since 2026. A total of 26 episodes have been broadcast, most recently in July 2026.
Last episode
Catching up on Submarine Jim?
Don't want to miss an episode anymore? Set up a free alarm and receive an email when new episodes are available. Handy!
Jim goes for a game of ping-pong, but his crew barely notice.
Jim feels left out when the sardines throw a party to which he is not invited.
Jim dives into Cyril’s bold plan to get a red sauce that humans use.
Jim sets out to rescue sardines lost during a newspaper run.
A jar of pickles contaminates the submarine, causing chaos.
Jim has to let Yannick go, but his charm makes it impossible.
Jim learns the fortune teller is actually Cyril in disguise.
The sub is haunted by the USS Mean Shark - but what is its goal?
Bianca’s past returns, and the sub goes undercover to protect her.