Sonic Underground (1999) | All episodes

Beginnings (Origins: Part 1)

Release Date: Aug 30, 1999

Getting to Know You (Origins: Part 2)

Release Date: Oct 6, 1999

Harmony or Something (Origins: Part 3)

Release Date: Oct 8, 1999

To Catch a Queen

Release Date: Aug 31, 1999

Mobodoon

Release Date: Sep 1, 1999

The Price of Freedom

Release Date: Sep 2, 1999

Underground Masquerade

Release Date: Sep 3, 1999

Tangled Webs

Release Date: Sep 6, 1999

The Deepest Fear

Release Date: Sep 7, 1999

Who Do You Think You Are?

Release Date: Sep 8, 1999

The Last Resort

Release Date: Sep 9, 1999

Come Out Wherever You Are

Release Date: Sep 10, 1999

Winner Fakes All

Release Date: Sep 13, 1999

A Hedgehog's Home is Her Castle

Release Date: Sep 14, 1999

Artifact

Release Date: Sep 15, 1999

Bug!

Release Date: Sep 16, 1999

Sonic Tonic

Release Date: Sep 17, 1999

Friend or Foe

Release Date: Sep 20, 1999

Head Games

Release Date: Sep 21, 1999

When in Rome

Release Date: Sep 22, 1999

The Jewel in the Crown

Release Date: Sep 23, 1999

Three Hedgehogs and a Baby

Release Date: Sep 24, 1999

Dunes Day

Release Date: Sep 27, 1999

Mummy Dearest

Release Date: Sep 28, 1999

The Hedgehog in the Iron Mask

Release Date: Sep 29, 1999

Six Is a Crowd

Release Date: Sep 30, 1999

Flying Fortress: Chaos Emerald Crisis Part 1

Release Date: Oct 1, 1999

No Hedgehog Is an Island: Chaos Emerald Crisis Part 2

Release Date: Oct 5, 1999

New Echidna in Town: Chaos Emerald Crisis Part 3

Release Date: Oct 7, 1999

Wedding Bell Blues

Release Date: Oct 4, 1999

Country Crisis

Release Date: Oct 11, 1999

Haircraft in Space

Release Date: Oct 12, 1999

Healer

Release Date: Oct 13, 1999

Sonia's Choice

Release Date: Oct 14, 1999

The Big Melt

Release Date: Oct 15, 1999

Sleepers

Release Date: Oct 18, 1999

Bartleby the Prisoner

Release Date: Oct 19, 1999

Art of Destruction

Release Date: Oct 20, 1999

The Pendant

Release Date: Oct 21, 1999

Virtual Danger

Release Date: Oct 22, 1999