Season 1 Episode 25


Aired Weekdays 4:00 PM Oct 22, 1987 on
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Episode Summary

Fears of earthquakes bring Scrooge and the boys to a strange land far underground, where a race of unusual creatures is trying to create the biggest earthquake of all - right underneath the money bin.

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    Hal Smith

    Hal Smith

    Gyro Gearloose

    Alan Young (I)

    Alan Young (I)

    Scrooge McDuck

    Russi Taylor

    Russi Taylor

    Huey, Dewey, Louie and Webby

    Chuck McCann

    Chuck McCann


    Joan Gerber

    Joan Gerber

    Mrs. Beakley

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    Trivia, Notes, Quotes and Allusions


    • TRIVIA (3)

      • This episode is one of two to be adapted into levels on both variations of the Ducktales video game. The other is The Lost Crown of Genghis Khan.

      • This episode appears on DuckTales Volume One DVD.

      • This episode makes Duckberg's actual location very hard to place. Duckberg has to be on one of the coasts, and it has to have earthquakes. However, according to the dialogue at the end of the episode, it is not in California.

    • QUOTES (0)

    • NOTES (3)

      • The underground inhabitants call themselves "Terra-Firmians." Upon hearing this, Scrooge says, "Is that what you are?" One of them replies, "Isn't everybody?"

        Since "terra firma" is a Latin phrase meaning "solid ground," being a "Terra Firmian," in literal terms, is basically the same as being an "Earthling." If you live on earth, you're an "earthling" -- or a "terra firmian," for that matter.

      • This episode is a retelling of Carl Barks' story "Land Beneath the Ground", originally published in Uncle Scrooge #13. Can be found in Carl Bark's Greatest DuckTales Stories Volume 1.

      • Episode included on a VHS release titled: DuckTales:Fearless Fortune Hunters.

    • ALLUSIONS (2)

      • When Scrooge discovers the Terra-Firmians, he utters, "Brigadoon!" Brigadoon was a Broadway musical created by Lerner & Loewe in 1947 about a magical village in Scotland that only appeared for a day once every hundred years.

      • Title: Earthquack

        The title of this episode is of course parodying an Earthquake.

    Season 1 Episodes

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    Ep 61
    Till Nephews Do Us Part
    Ep 60
    Ducky Horror Picture Show
    Ep 59
    All Ducks On Deck
    Ep 58
    Spies In There Eyes
    Ep 57
    Once Upon A Dime
    Ep 56
    Dr. Jekyll and Mr. McDuck
    Ep 55
    Nothing To Fear
    Ep 54
    The Status Seekers
    Ep 53
    The Uncrashable Hindent...
    Ep 52
    Duck In The Iron Mask
    Ep 51
    Dime Enough For Luck
    Ep 50
    Launchpad's First Crash
    Ep 49
    Jungle Duck
    Ep 48
    Duck To The Future
    Ep 47
    Magica's Magic Mirror/T...
    Ep 46
    Duckworth's Revolt
    Ep 45
    Luck o' the Ducks
    Ep 44
    Ep 43
    Ep 42
    The Right Duck
    Ep 41
    Raiders Of The Lost Harp
    Ep 40
    Back Out in the Outback
    Ep 39
    Time Teasers
    Ep 38
    Ducks Of The West
    Ep 37
    The Golden Fleecing
    Ep 36
    Merit-Time Adventure