Huey and Webby's disagreement over the existence of a mythic species leads the kids to explore an eerie abandoned subway tunnel, while Mrs. Beakley grows suspicious of Lena.

Donald competes with his cousin Gladstone Gander to impress Louie at a mysterious resort in Macaw, while Scrooge tries to lure the kids away from the resort’s endless distractions.

Webby learns how Scrooge and Mrs. Beakley first met while she helps Scrooge rescue her granny from the clutches of rival spy Black Heron.

As Fenton figures out how to be a hero, Mark Beaks offers to hire Gizmoduck and help him defend all of Duckburg.

Huey and Dewey are led on an adventure by their distant Uncle Fethry, who takes them to the depths of Scrooge’s deep‐sea laboratory.

As the boys track a missing artifact across Duckburg, Scrooge and Webby stall the warrior looking for it with a phony quest.

In the Old West, Scrooge and Goldie form a band of outlaws and stage a heist to save a small town from corrupt businessman John D. Rockerduck.

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

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.

A spy video game turns dangerously real as Launchpad and Dewey must stop F.O.W.L. agent Steelbeak’s plan to destroy Duckburg.

Gyro, Fenton and Huey take a malfunctioning B.O.Y.D. back to the lab where he was created in Japan, but as Huey bonds with the robot boy, a secret from Gyro’s past threatens to destroy the city and Gizmoduck.

The kids forego their usual trick-or-treat path and instead take on the most haunted house in Duckburg, while Launchpad confronts ghosts from the past.

The kids pair off to find the missing pieces of a mystical sword hidden throughout a marketplace, unless F.O.W.L. gets to them first.

Scrooge is forced to babysit young Donald and Della as they go on their first adventure to find a powerful artifact, unaware that Bradford is taking on this mission personally.

The future of adventuring hangs in the balance as the Duck family uncovers earth-shattering secrets in a final standoff with F.O.W.L.