Kwazii and Barnacles’ sister, Bianca, find out about his and Tweak’s secret at the same time Tweak is being diagnosed with something serious.

Four junior officers are trained to become full-fledged Octonauts. Rated T for language, heavy subject material, and use of alcohol.

What happens when different members of the Octonauts fall in love with past members? I DO NOT OWN ANY CANNON CHARACTERS

The Octonauts go to Tweak’s home In the Floridian Everglades because the have recienved a message from there sent by Captain Barnacles’ twin sister, Bianca.

Barnacle’s sister Bianca sends a message, and is in trouble and needs help. Barnacles is worried but Tweak is there for him just as he was for her. It looks like they’ll have to wait for that alone time.

Barnacles and Tweak want some alone time as a couple, but the crew call them up for an urgent matter. The couple then come up with a plan to get the alone time they are looking for.

Tweak receives a letter from her mother telling her that her father has passed away. She is devastated, but captain Barnacles helps to comfort her and reassure her that he is there for her. They get closer as they talk and…well…I don’t wanna spoil the whole chapter for you in just the summary.

Captain Barnacles decides to avenge Codish after Peso does something not so great.

When a young orphan, Ashima, comes into the lives of the Octonauts, things will never be the same again. Captain Barnacles promises her she can stay with them but has he bitten off more then he can chew with someone as traumatized as she? Is there any way he can reach her or will she continue down a path of self-destruction? -TW, Violence NOW COMPLETE

The Octonauts have seen many a strange thing during their time out in the ocean. But they aren't prepared for what they are about to encounter next. OC x Harem.

Captain Barnacles has a vision, an idea if you will. A team of different creatures all working together to help sea life. With Professor Inkling's help he manages to get the funding, now he just needs the team...

Quatre nouveaux Octonauts a former d'etres les Octonauts completes. (traduction francais de Junior Officers)

It has been six months since Barnacles and Christina got sick from the fungus and had to be sent to the hospital. Everything has finally calmed down, or so the Octonauts thought.. six months later Kwazii finds a map that says there is a treasure somewhere in the Hawaiian islands. Kwazii is determined to find it. However, a secret is revealed that changes everything...

When the Octonauts find a peculiar mirror, bizarreness ensues. Octonauts Mirror-verse. Sorry Idk how to pick genres. Wil update when I feel like it. Will add more when it gets some reviews. Cross- posted on AO3

When the Octonauts split up to do different work in the Atlantic Coast any number of things could happen. Kwazii and Peso crash, while Barnacles is anxiously waiting for their return. They end up in Iceland with a few peculiar birds. Rated T for mild injury and fear. Also because I don't want to get kicked off. Cross posted on AO3

KwaziixPeso FanFic - Not child appropriate at all ;-; Please tell me if I need to include a backstory. SMUT Able to write more if people want.

Lieutenant Vienyarna, a humanoid female with a wolf-like appearance who is part of Starfleet security onboard Deep Space Nine, takes her vacation days just as Starfleet Admirals are due to arrive. Discover where exactly she goes and who she meets with. Just read it already, it's better than it sounds.

The Octonauts rescue a baby vaquita from a fishing net. Now with Creature Report!

A life changing event propels Professor Inkling to travel the world and create the Octonauts. Watch as the new members of the crew experience their new lives under the ocean. As time goes on, and they grow individually and together as a family, will they be able to overcome catastrophe? A series of one shots that take place before, in between, and after the episodes. COMPLETE!

Peso can't remember the last time he had fun. Upon discovering his interest in becoming a medic, he's grown accustomed to being everyone's doctor. This is the very reason he doesn't know what to do when Barnacles gives the Octonauts a break. When Barnacles finds out, he gathers the others and forms a plan.

Sean was never a normal dolphin. In the water he would act like a fish... mostly. On the surface he would act like a land mammal. He only ate plants, works on a bizarre hobby and has the structure to walk on his tail. This all left him disconnected with his mother, who had broken up with his father. It would take misfortune and a rescue to help him find his place. As an Octonaut.

It has been six months since Christina Morris joined the Octonauts. Things have finally calmed down. Until Christina has noticed that Kwazii hasn't been himself the for last few days. He has been crying off and on for the last few days. He will not tell her what's going on. Will Christina figure out what's bugging Kwazii? It turns out, Kwazii's problem is his nightmare come true...

After the Friendship Games,Barnacles keeps having nightmare of Ocean Storm. But when someone consumed by magic traps the camp in brambles, only Barnacles can save the day. Will he be able to surpass Ocean Storm and save his friends, or will Ocean Storm return with a controlled Barnacles? Only his friends can help him keep Ocean Storm under control, but can they do it in time?

The Octonauts and the OctoScouts (Doxi, Squirt, Peso and Chilly) have a mission to travel around the world to see how climate change is affecting the coasts of every continent. On their mission they have plenty of adventures, excitement, and learn a lot about oceanography. This is a serial that will be published in several chapters.

The Octonauts are plauged by a mysterious cotton infestation.