Donald Duck reluctantly takes his nephews Huey, Dewey and Louie to the home of their reclusive great-uncle Scrooge McDuck. Enthralled by their once legendary great-uncle and the wonder of McDuck Manor, the triplets and their newfound fierce friend Webby learn of long-kept family secrets and unleash totems from Scrooge's epic past, sending the family on an adventure of a lifetime to the Lost City of Atlantis.

The kids and Launchpad work together to capture a mystical money shark while Scrooge attempts to better his public image with a televised interview.

Magica De Spell is close to exacting revenge on Scrooge, so the family races against time to plan a dangerous rescue mission to save Scrooge and the city.

After his disappearance, Glomgold resurfaces as anything but his ever-scheming self, while Webby and Louie try to uncover the truth behind who is Duke Baloney.

The kids must stop Scrooge’s unhealthy obsession with a few missing coins to keep him from becoming the next Glomgold.

As Della rebuilds her ship, Penumbra becomes convinced Della’s planning an attack. Meanwhile, Donald’s nap keeps getting interrupted by adventure.

With Huey’s and Webby’s help, Fenton woos a punk-rock scientist, Gandra Dee, only to uncover her dangerous plans for Gizmoduck.

Donald and Penumbra must break out of a Moon Prison and send a warning to Earth about a looming invasion. Meanwhile, Dewey and Webby uncover a sinister conspiracy targeting their family.

When Louie uses Gyro’s Time Tub to steal lost treasures from the past, a mysterious storm in the present sends all of space and time crashing down onto the mansion.

Glomgold forms his own family made of all of Scrooge’s greatest villains to defeat Scrooge’s family once and for all.

The moon invades Duckburg, forcing Scrooge to join forces with an unlikely ally in an effort to save the earth. Meanwhile, Della and the kids search the globe for reinforcements.