20,000 Leagues Under the Sea

Pola and Martin receive an SOS signal from the Verne Dimension; upon arriving, they discover it has been sent by Otto, Hans' evil twin; Pola flees, but Martin is captured.

Nemo refuses to return to the Verne Dimension before fulfilling Verne's mission to clean the oceans of pollution; Martin is pushed to the dark side by Ayrton, while Pola and Hans are unjustly accused by The Resistance of being Ayrton's collaborators.

The Resistance recognize Pola's medallion, and realise Hans is Verne's creation; Martin betrays Pola and successfully plans her kidnapping; Nemo and Rama deal with explosive barrels at sea and decide to attack a fishing boat for praying on stingrays.

After a fight, The Resistance defeats Martin and the Super-Troopers; Martin discovers their secret and sends his coordinates to Ayrton; Diego and his friends plan to put Nemo and Rama to sleep with a potion so they can return to the Verne Dimension.

Diego and his friends return to the Verne Dimension, where Nemo and Rama, seeing the pollution in the seas, decide to join the kids in their fight against Ayrton; Hans tries to free Pola while The Resistance tries to face the Super-Troopers.

The kids and Pompilio manage to get into the lighthouse, but Martin captures Violeta to open the two-dimensional door, where they see images of all of Verne's descendants; Martin regains consciousness and joins his siblings to defeat Ayrton.