When earthquakes cause pollution in various underwater locations simultaneously, the Little Submarine exploration team goes into action to save the ocean underworld.
When earthquakes cause pollution in various underwater locations simultaneously, the Little Submarine exploration team discovers that these disturbances are not due to tectonic activity but are caused by Dark Doctor's attempt to activate a ring-shaped quantum collider. With the Earth facing imminent catastrophic destruction, the team has 80 days to avert the crisis. How will they tackle this impending disaster?