Feeding Frenzy. When Shellington and Dashi accidentally trigger a shark feeding frenzy, Barnacles and Tweak must devise a way to rescue them before they become lunch! Also in HD. [S,AD] Gup-B - a shark-styled Gup with one seat. Known for its fast speed and acceleration, it is Kwazii's favorite Gup. He mainly uses it for a lot of the missions the Octonauts go on. Other times, he will use it to race other creatures who love a good challenge. In some episodes, some creatures mistake it for a real shark and get scared. It includes a tiger shark disguise, flying fish mode, and a turbo booster. When the Octonauts find an unusual sea star on the beach, they search the ocean from top to bottom (literally) to help find its home. It can be driven from two places. Either from the main cabin, or from a lighthouse like enclosure on the roof. Ghost Ship. The Octonauts discover a drifting 'ghost ship' with barnacles attached to the hull that need to be in warmer waters. Also in HD. [S,AD]

The Octonauts and some helpless crabs are caught between two territorial groups of aggregating anemones – and their numbers are growing! Gup-T - It was built after a sea pig, and is a rescue rover. It is probably going to be used for seafloor or land traveling hence the wheels. Gup-G - a Gup based on a salamander. It appears in the episode The Yangtze River The Chinese giant salamander episode. More on that here. It will appear in Season 5. It has early screenings in Octonauts and The Caves of Sac Actun. It has retractable legs that expand to help it stand and walk on land and contract to move fast through the water. The mouth can open up and act as a way to enter or exit the ocean or land. It is able to fit everyone inside. Using its mouth, it can also release certain Gups.The Kelp Forest Rescue. Animated deep sea adventures with Captain Barnacles and his explorers. Peso's little brother Pinto comes to visit the Octonauts. Also in HD. [S,AD]

Gup-A - a multi-purpose vehicle and is Captain Barnacles' favorite. Its speed is moderate, but it has a turbo booster that can make it go almost as fast as the Gup-B. It is used in almost all missions. It's also been seen with other disguises in the toys and the episode The Decorator Crab. It's based on an angler fish. The Seahorse Tale. Animated deep sea adventures with Captain Barnacles and his explorers. After a storm, the Octonauts have to reunite a seahorse with its missing mate. Also in HD. [S,AD] The Gup-B is a shark-styled Gup with one seat. Known for its fast speed and acceleration, it is Kwazii's favorite Gup. He mainly uses it for almost all the missions the Octonauts go on, takes it out for solo missions, or to just have fun driving it around, such as racing with fast creature. It is also the fastest Gup of all, even faster than the Gup-R. The Octonauts encounter a snapping shrimp – a small creature that uses its claws to make a big, and stunning, noise.Barnacles and Kwazii investigate a disruption on a nearby reef – a carrier crab and the urchin who lives on its shell just can't seem to get along. The Lost Sea Star. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts find an unusual sea star on the beach. Also in HD. [S,AD]

The Vampire Squid. Animated deep sea adventures with Captain Barnacles and his explorers. Peso must gather all his courage when he travels deep down to the very bottom of the ocean. Also in HD. [S,AD] The Orcas. Animated deep sea adventures with Captain Barnacles and his band of explorers. An orca whale is stranded on a beach. The Octonauts come to the rescue. Also in HD. [S,AD] The Octonauts follow an old map to what Kwazii believes is treasure guarded by a sea monster but, instead, they meet a playful Octopus with all kinds of surprising abilities.

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The Giant Kelp Forest. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts journey into a mysterious kelp forest and meet strange creatures. Also in HD. [S,AD] In The Spinner Dolphins, Kwazii was able to use the Gup to act like a spinner dolphin and lead the dolphins (while asleep and awake) out of the trash in the bay.

Kwazii is very protective towards the Gup, not wanting to let it out of his sight, as seen in The Octonauts and the Ring of Fire. When Kwazii's favorite sub, the Gup-B, goes missing, the Octonauts journey into a mysterious kelp forest, meeting strange and interesting creatures along the way. Gup-N - The Gup-N is an upcoming Gup. Nothing is known about it. It has only been seen on the Octonauts Gup Alphabet Chart with a question mark as the picture. The Snapping Shrimp. Animated deep sea adventures with Captain Barnacles and his explorers. The Octonauts encounter a snapping shrimp. Also in HD. [S,AD]Gup-F - a pedal-powered Gup, based on an X-ray fish. It was the first Gup Tweak ever built. Although it is also the slowest one, it was helpful when there was no other Gup to use, like in the episode " The Speedy Sailfish". It was destroyed by the first part of a hurricane in the episode " The Artificial Reef". It was then turned into an artificial reef to protect the creatures who lived in a small reef which was also destroyed by the hurricane.