On Coronation Day, Cody and Joe are set to become the new Kings of Atlantis when their evil Uncle Phaeton steals their crowns and usurps the throne turning their beloved kingdom into an oppressed and dark place.

As King Phaeton continues to run Atlantis into the ground, Cody and Joe work with the Sneaky Sisters to sneak back into the palace to steal their crowns and save their father!

When Phaeton turns the entire Atlantis population into a loyal zombie army, Cody and Joe must work to with their mentor Professor Pikalus to create an antidote before it’s too late.

When dozens of Atlantis’ pets are kidnapped for ransom by Kraken Kid, the craziest, baddest outlaw of the sea, they call on Cody and Joe to infiltrate his evil lair and save their friends.

When Crabnan the Crabmerrian, the finest warrior in the ocean, arrives in the reef, Cody and Joe train in the art of swordplay, deception and handsomeness so they can become better warriors and succeed in their quest to save their kingdom.

When Phaeton locks up the citizens of Atlantis so they can not enjoy the beloved Tides Day holiday, Cody, Joe, and the Sneaky Sisters work together to remedy this travesty.

After an explosion in Atlantis sends Joe under the city into the catacombs with Captain Lennox, Cody must work to navigate his brother out before it’s too late.

When Cody and Joe set up an energy machine that accidentally transforms Professor Pikalus into a monster, they must use science and instinct to make things right with their friend.

When Kraken Kid and his Tidal Raiders continually bully a village of innocent Urchins, Cody and Joe teach them how to defend themselves with illusions, pranks, and the element of surprise!

When Phaeton hosts a lavish holographic art opening at the palace, Cody, Joe, and the Daughters Merma sneak into the royal affair to take it down with jokes, pranks, and some legit hacking.

Cody is convinced a hermit crab cursed him with the worst head cold ever so he persuades Joe to go on a whirlwind road trip deep into the ocean to locate the culprit and lift the curse.

Cody and Joe mischievously create an untested and unsafe portal in order to visit the ancient Titans who they hope can assist them in their quest to defeat Phaeton and save Atlantis.

When Phaeton summons a Peace Summit in order to take down the leaders of the undersea world, Cody, Joe, The Sneaky Sisters and Professor Pikalus battle it out against a massive army hoping to curb his evil plan before Atlantis is destroyed forever.