DuckTales
Season 1, Episode 5: Terror of the Terra-Firmians!
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Huey and Webby's disagreement over the existence of a mythic species leads the kids to explore an eerie abandoned subway tunnel, while Mrs. Beakley grows suspicious of Lena.
All Episodes - Season 1
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