Sonic Underground

Episode 1 1999-08-30 - Beginnings (Origins Part )
Episode 2 1999-08-31 - To Catch a Queen
Episode 3 1999-09-01 - Mobodoon
Episode 4 1999-09-02 - The Price of Freedom
Episode 5 1999-09-03 - Underground Masquerade
Episode 6 1999-09-06 - Tangled Webs
Episode 7 1999-09-07 - The Deepest Fear
Episode 8 1999-09-08 - Who Do You Think You Are
Episode 9 1999-09-09 - The Last Resort
Episode 10 1999-09-10 - Come Out Wherever You Are
Episode 11 1999-09-13 - Winner Fakes All
Episode 12 1999-09-14 - A Hedgehog's Home Is Her Castle
Episode 13 1999-09-15 - Artifact
Episode 14 1999-09-16 - Bug!
Episode 15 1999-09-17 - Sonic Tonic
Episode 16 1999-09-20 - Friend or Foe?
Episode 17 1999-09-21 - Head Games
Episode 18 1999-09-22 - When in Rome...
Episode 19 1999-09-23 - The Jewel of the Crown
Episode 20 1999-09-24 - Three Hedgehogs and a Baby
Episode 21 1999-09-27 - Dunes Day
Episode 22 1999-09-28 - Mummy Dearest
Episode 23 1999-09-29 - Hedgehog in the Iron Mask
Episode 24 1999-09-30 - Six Is a Crowd
Episode 25 1999-10-01 - Flying Fortress (Chaos Emerald Crisis Part )
Episode 26 1999-10-04 - Wedding Bell Blues
Episode 27 1999-10-05 - No Hedgehog Is an Island (Chaos Emerald Crisis Part 2)
Episode 28 1999-10-06 - Getting to Know You (Origins Part 2)
Episode 29 1999-10-07 - New Echidna in Town (Chaos Emerald Crisis Part 3)
Episode 30 1999-10-08 - Harmony or Something (Origins Part 3)
Episode 31 1999-10-11 - Country Crisis
Episode 32 1999-10-12 - Haircraft in Space
Episode 33 1999-10-13 - Healer
Episode 34 1999-10-14 - Sonia's Choice
Episode 35 1999-10-15 - The Big Melt
Episode 36 1999-10-18 - Sleepers
Episode 37 1999-10-19 - Bartleby the Prisoner
Episode 38 1999-10-20 - The Art of Destruction
Episode 39 1999-10-21 - The Pendant
Episode 40 1999-10-22 - Virtual Danger