The future of adventuring hangs in the balance as Scrooge and the McDuck family uncovers earth-shattering secrets in a final standoff with F.O.W.L..
- Half of the episode is set during Webby’s birthday.
- This is the third time Donald is seen in his blue sailor suit in the series.
- This 3-parter contains 3 sub-episodes with their own stand-alone title, including: Part I - A Tale of Three Webbys! Part II - The Lost Library of Isabella Finch! Part III - Tale's End (Series Finale)
- This is the last regular appearance of the reboot's looks of the main characters. They will return for the interactive game attraction, DuckTales World Showcase Adventure at Epcot.
- This is the second and final time in the series to have the storyline told in a three-story episode arc after Season 2's "Timephoon!", "GlomTales!", and "The Richest Duck in the World!", which the previous episodes focused on Louie and the story of how the events of his scheme in "Timephoon" would eventually lead him to briefly becoming the richest duck in the world.
- This 3-part finale has the largest cast of characters in the show's history.