Sonic Underground (1999) | All episodes

Beginnings (Origins: Part 1)

Release Date: 1999-08-30

Getting to Know You (Origins: Part 2)

Release Date: 1999-10-06

Harmony or Something (Origins: Part 3)

Release Date: 1999-10-08

To Catch a Queen

Release Date: 1999-08-31

Mobodoon

Release Date: 1999-09-01

The Price of Freedom

Release Date: 1999-09-02

Underground Masquerade

Release Date: 1999-09-03

Tangled Webs

Release Date: 1999-09-06

The Deepest Fear

Release Date: 1999-09-07

Who Do You Think You Are?

Release Date: 1999-09-08

The Last Resort

Release Date: 1999-09-09

Come Out Wherever You Are

Release Date: 1999-09-10

Winner Fakes All

Release Date: 1999-09-13

A Hedgehog's Home is Her Castle

Release Date: 1999-09-14

Artifact

Release Date: 1999-09-15

Bug!

Release Date: 1999-09-16

Sonic Tonic

Release Date: 1999-09-17

Friend or Foe

Release Date: 1999-09-20

Head Games

Release Date: 1999-09-21

When in Rome

Release Date: 1999-09-22

The Jewel in the Crown

Release Date: 1999-09-23

Three Hedgehogs and a Baby

Release Date: 1999-09-24

Dunes Day

Release Date: 1999-09-27

Mummy Dearest

Release Date: 1999-09-28

The Hedgehog in the Iron Mask

Release Date: 1999-09-29

Six Is a Crowd

Release Date: 1999-09-30

Flying Fortress: Chaos Emerald Crisis Part 1

Release Date: 1999-10-01

No Hedgehog Is an Island: Chaos Emerald Crisis Part 2

Release Date: 1999-10-05

New Echidna in Town: Chaos Emerald Crisis Part 3

Release Date: 1999-10-07

Wedding Bell Blues

Release Date: 1999-10-04

Country Crisis

Release Date: 1999-10-11

Haircraft in Space

Release Date: 1999-10-12

Healer

Release Date: 1999-10-13

Sonia's Choice

Release Date: 1999-10-14

The Big Melt

Release Date: 1999-10-15

Sleepers

Release Date: 1999-10-18

Bartleby the Prisoner

Release Date: 1999-10-19

Art of Destruction

Release Date: 1999-10-20

The Pendant

Release Date: 1999-10-21

Virtual Danger

Release Date: 1999-10-22