When Dewey invents a holiday that allows the triplets to be only children for a day, each realizes they need their brothers more than they thought.

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

Louie teams with Goldie to scam their way through Doofus' dangerous party. Huey pushes himself out of his comfort zone in his favorite online game.

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.

Scrooge's enemies reveal a secret history to prove that he is responsible for turning them evil, forcing Louie to defend his uncle against their prosecutor, Doofus Drake.