Part 1 of Treasure of the Golden Suns, Donald Duck, having joined the Navy to see the world, sends his nephews Huey, Dewey, and Louie to live with his uncle Scrooge McDuck. Meanwhile, a mysterious figure known as El Capitán busts the Beagle Boys out of jail, whereupon he hires them to steal a model Spanish galleon from Scrooge's possession, which just happens to hide a treasure map to a vast fortune.
Donald goes back to his old job in the navy.
Donald catches a germ, and his nephews go inside him to try to get rid of it.
Donald tries to explain to Kent why he's late for work.
Donald and his nephews run a business for Tasty Paste, a newly invented product, but the paste goes haywire and turns into a giant monster.
Huey Dewey and Louie become the T-Squad once again to try to save the world.
The ducks visit a mad scientist who has a grudge against Daisy.
Dewey finds himself in a strange world owned by a lonely man who makes up unfair rules for his land.
Mistaken for Agent X, Huey is given a set of braces that controls the minds of whoever he gives orders to.
The boys steal an earthquake machine to play a trick on Donald so that he'll learn to be earthquake-prepared like all other responsible adults.
Donald enters a ski race so that Kent Powers cannot take Daisy away from him.
Donald and the boys find themselves lost in a haunted mansion and are fed up with Dewey's pranks. The mansion is haunted by real monsters, but everyone thinks that Dewey is still messing around with them.
The Quack Pack goes out into the wilderness to discover U.F.O.'s.
The boys go WAY deep into a sewer to discover a mad scientist who hates the sun and plans to destroy the world by using the sun.