Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Young dolphin Jim is tasked with steering the world’s first submarine on wheels.

Get ready for adventure, chaos, laughs, and underwater fun in this brand new animated series.

🌊 Brand New Submarine Jim
📺 Watch on CBBC and BBC iPlayer
bbc.co.uk/iplayer/episodes/m002t3d2/submarine-jim

Welcome to the official and trusted CBBC YouTube channel, brought to you by the BBC. This is your one-stop destination for iconic clips, behind-the-scenes exclusives, and laugh-out-loud moments from your favourite CBBC shows. Whether you're into comedy, drama, adventure or epic challenges, there’s something here for everyone. Designed especially for kids aged 6 to 12, CBBC brings all the fun, creativity, and excitement together in one place.

#CBBC #SubmarineJim #BrandNewShow #NewShow