The Secret(s) of Castle McDuck! 1 Season 21 Episode

Episode #1

Woo-oo!

Episode #2

Daytrip of Doom!

Episode #3

The Great Dime Chase!

Episode #4

The Beagle Birthday Massacre!

Episode #5

Terror of the Terra-Firmians!

Episode #6

The House of the Lucky Gander!

Episode #7

The Infernal Internship of Mark Beaks!

Episode #8

The Living Mummies of Toth-Ra!

Episode #9

The Impossible Summit of Mt. Neverrest

Episode #10

The Spear of Selene!

Episode #11

Beware the B.U.D.D.Y. System!

Episode #12

The Missing Links of Moorshire!

Episode #13

McMystery at McDuck McManor!

Episode #14

JAW$!

Episode #15

The Golden Lagoon of White Agony Plains!

Episode #16

Day of the Only Child!

Episode #17

From the Confidential Casefiles of Agent 22!

Episode #18

Who is Gizmoduck?!

Episode #19

The Other Bin of Scrooge McDuck!

Episode #20

Sky Pirates...In the Sky!

Episode #21

The Secret(s) of Castle McDuck!

Episode #22

The Last Crash of the Sunchaser!

Episode #23

The Shadow War