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Sonic Underground

199925m / epAction & Adventure · Animation · Kids

First aired

August 30, 1999

6.9

TMDB Score

69% match · 158 votes

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S01 · E25

Flying Fortress (Chaos Emerald Crisis, Part 1)

Season 1 · Oct 1, 1999 · 21m

‹›

E01▶

Beginnings (Origins, Part 1)

Aug 30, 1999 · 21m

E02▶

To Catch a Queen

Aug 31, 1999 · 21m

E03▶

Mobodoon

Sep 1, 1999 · 21m

E04▶

The Price of Freedom

Sep 2, 1999 · 21m

E05▶

Underground Masquerade

Sep 3, 1999 · 21m

E06▶

Tangled Webs

Sep 6, 1999 · 21m

E07▶

The Deepest Fear

Sep 7, 1999 · 21m

E08▶

Who Do You Think You Are

Sep 8, 1999 · 21m

E09▶

The Last Resort

Sep 9, 1999 · 21m

E10▶

Come Out Wherever You Are

Sep 10, 1999 · 21m

E11▶

Winner Fakes All

Sep 13, 1999 · 21m

E12▶

A Hedgehog's Home Is Her Castle

Sep 14, 1999 · 21m

E13▶

Artifact

Sep 15, 1999 · 21m

E14▶

Bug!

Sep 16, 1999 · 21m

E15▶

Sonic Tonic

Sep 17, 1999 · 21m

E16▶

Friend or Foe?

Sep 20, 1999 · 21m

E17▶

Head Games

Sep 21, 1999 · 21m

E18▶

When in Rome...

Sep 22, 1999 · 21m

E19▶

The Jewel of the Crown

Sep 23, 1999 · 21m

E20▶

Three Hedgehogs and a Baby

Sep 24, 1999 · 21m

E21▶

Dunes Day

Sep 27, 1999 · 21m

E22▶

Mummy Dearest

Sep 28, 1999 · 21m

E23▶

Hedgehog in the Iron Mask

Sep 29, 1999 · 21m

E24▶

Six Is a Crowd

Sep 30, 1999 · 21m

E25Playing

Flying Fortress (Chaos Emerald Crisis, Part 1)

Oct 1, 1999 · 21m

E26▶

Wedding Bell Blues

Oct 4, 1999 · 21m

E27▶

No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2)

Oct 5, 1999 · 21m

E28▶

Getting to Know You (Origins, Part 2)

Oct 6, 1999 · 21m

E29▶

New Echidna in Town (Chaos Emerald Crisis, Part 3)

Oct 7, 1999 · 21m

E30▶

Harmony or Something (Origins, Part 3)

Oct 8, 1999 · 21m

E31▶

Country Crisis

Oct 11, 1999 · 21m

E32▶

Haircraft in Space

Oct 12, 1999 · 21m

E33▶

Healer

Oct 13, 1999 · 21m

E34▶

Sonia's Choice

Oct 14, 1999 · 21m

E35▶

The Big Melt

Oct 15, 1999 · 21m

E36▶

Sleepers

Oct 18, 1999 · 21m

E37▶

Bartleby the Prisoner

Oct 19, 1999 · 21m

E38▶

The Art of Destruction

Oct 20, 1999 · 21m

E39▶

The Pendant

Oct 21, 1999 · 21m

E40▶

Virtual Danger

Oct 22, 1999 · 21m

What is supposed to be a vacation for Sonic, Manic and Sonia turns into a battle to save Mobius when Robotnik attacks with his newest weapon - the Flying Fortress. Sonic investigates the ship thinking the weapon can be destroyed by removing its reactor, however his efforts fail and he goes to Knuckles for help, because he believes the weapon is powered by the Chaos Emerald.

About the Series

Action & AdventureAnimationKids

Synopsis

Sonic, Sonia, and Manic are the children of Queen Aleena Hedgehog, the rightful ruler of Mobius, and are pursued relentlessly by Doctor Robotnik and his bumbling bounty hunters sidekicks, Sleet and Dingo. As infants, the siblings were separated and placed in hiding to fulfill a prophecy made by the Oracle of Delphius that the triplets would grow up to find their estranged mother, overthrow Robotnik, and take their places once more as Mobius' rightful rulers.

CreatorsRobby London, Jean Cheville, Jean Chalopin