Sonic Underground

S1 E131999

Artifact

Episode Synopsis

The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction. Sonic and Sonia take one of the pieces to a university professor who informs them that the artifact is actually a bomb from the Mobian war. The Hedgehogs must act fast to retrieve the bomb and protect the treasure that is the key to Mobius past.

Next Episodes

All Seasons

Beginnings (Origins, Part 1)

Episode 1

To Catch a Queen

Episode 2

Sonic Underground

Artifact

Episode Synopsis

Next Episodes

Beginnings (Origins, Part 1)

To Catch a Queen

Mobodoon

The Price of Freedom

Underground Masquerade

Tangled Webs

The Deepest Fear

Who Do You Think You Are

The Last Resort

Come Out Wherever You Are

Winner Fakes All

A Hedgehog's Home Is Her Castle

Artifact

Bug!

Sonic Tonic

Friend or Foe?

Head Games

When in Rome...

The Jewel of the Crown

Three Hedgehogs and a Baby

Dunes Day

Mummy Dearest

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Flying Fortress (Chaos Emerald Crisis, Part 1)

Wedding Bell Blues

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

Getting to Know You (Origins, Part 2)

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

Harmony or Something (Origins, Part 3)

Country Crisis

Haircraft in Space

Healer

Sonia's Choice

The Big Melt

Sleepers

Bartleby the Prisoner

The Art of Destruction

The Pendant

Virtual Danger

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