Sonic Underground

Sonic and his royal siblings seek to find their mother and defeat the tyrant, Robotnik.

Cast:Maurice LaMarche , Garry Chalk , Gail Webster , Peter Wilds , Sam Vincent , Stevie Vallance , Tyley Ross , Terry Klassen , Matt Hill , Blu Mankuma , Cusse Mankuma , Tabitha St. Germain , Jaleel White , Brian Drummond , Merrilyn Gann , Lee Tockar , Ian James Corlett , Philip Maurice Hayes

1Season 1

S1.E1 ∙ Beginnings (Origins: Part 1)

Mon, Aug 30, 1999

The history of the Underground is told in detail, from the fall of Mobotropolis to the rise of Robotnik.

2Season 1

S1.E2 ∙ Getting to Know You (Origins: Part 2)

Wed, Oct 6, 1999

The Hedgehogs begin to learn the important lessons of what it takes to be a freedom fighter.

3Season 1

S1.E3 ∙ Harmony or Something (Origins: Part 3)

Fri, Oct 8, 1999

Manic, Sonic and Sonia must end their training early when Robotnik threatens the Oracle and takes a member of the resistance hostage.

4Season 1

S1.E4 ∙ To Catch a Queen

Tue, Aug 31, 1999

Argus, a captain of the Queen's guard, is captured by Sleet and Dingo before he can reach the secret rendezvous where he was to meet Queen Aleena.

5Season 1

S1.E5 ∙ Mobodoon

Wed, Sep 1, 1999

Sonic, Sonia and Manic return to their birthplace, Mobodoon, a beautiful, festive town.

6Season 1

S1.E6 ∙ The Price of Freedom

Thu, Sep 2, 1999

Sonia travels to east Mobius to visit her friend Mindy at the LaTour estate.

7Season 1

S1.E7 ∙ Underground Masquerade

Fri, Sep 3, 1999

Sleet and Dingo plan to collect the taxes owed to Robotnik from the Duke of Velcronia but keep it for themselves.

8Season 1

S1.E8 ∙ Tangled Webs

Mon, Sep 6, 1999

The sinister Robotnik blackmails Cyrus, an old friend of Sonic's, by holding his father hostage.

9Season 1

S1.E9 ∙ The Deepest Fear

Tue, Sep 7, 1999

On a trip to Port Mobius, Sonic, Manic and Sonia are told that ships are sinking due to the Mobian sea-beast.

10Season 1

S1.E10 ∙ Who Do You Think You Are?

Wed, Sep 8, 1999

Queen Aleena's royal journals are rumored to be buried under a palace in the city of Tashistan.

11Season 1

S1.E11 ∙ The Last Resort

Thu, Sep 9, 1999

While lost in the wastelands of Mobius, Sonic, Manic and Sonia stumble upon an oasis called Lake Valley Resort.

12Season 1

S1.E12 ∙ Come Out Wherever You Are

Fri, Sep 10, 1999

Sonia is invited to a debutante ball, but before she can be officially announced to society, she and her brothers, Manic and Sonic, have an important mission.

13Season 1

S1.E13 ∙ Winner Fakes All

Mon, Sep 13, 1999

Robotnik organizes a track meet to lure Sonic into a trap.

14Season 1

S1.E14 ∙ A Hedgehog's Home is Her Castle

Tue, Sep 14, 1999

The Hedgehogs receive a message they believe is from their cousin.

15Season 1

S1.E15 ∙ Artifact

Wed, Sep 15, 1999

The Hedgehogs steal historical artifacts of Mobuis from Robotnik before he can pawn them off at an auction.

16Season 1

S1.E16 ∙ Bug!

Thu, Sep 16, 1999

A faction of the Freedom Fighters is wiped out by a swarm of metallic fly-bots.

17Season 1

S1.E17 ∙ Sonic Tonic

Fri, Sep 17, 1999

A speed enhancing fluid deemed Sonic Tonic is created by Robotnik to make him as fast as Sonic so that he may finally catch him.

18Season 1

S1.E18 ∙ Friend or Foe

Mon, Sep 20, 1999

The Hedgehogs converge on the Floating Island, in their latest attempt to find their Mother.

19Season 1

S1.E19 ∙ Head Games

Tue, Sep 21, 1999

As Sonic begins to chow chili dogs for a snack, he finds a message in the sack from his mother urging him to head to Speedster Island.

20Season 1

S1.E20 ∙ When in Rome

Wed, Sep 22, 1999

Sonic becomes frustrated that maybe all of their efforts of fighting for freedom seem futile.

21Season 1

S1.E21 ∙ The Jewel in the Crown

Thu, Sep 23, 1999

Robotnik has his sights set upon Queen Aleena's crown jewel, which glows as it is moved closer her.

22Season 1

S1.E22 ∙ Three Hedgehogs and a Baby

Fri, Sep 24, 1999

Sonic, Manic and Sonia find an abandoned baby in an alley and begin a search for the baby's parents. Manic grows particularly fond of the child and decides that instead of taking the baby to a shelter as Sonic and Sonia ordered, the baby would be more comfortable at the Underground sanctuary. While Sonia and Sonic are working to uncover another plot of Robotnik they find that the baby is not a baby at all, but an android equipped with cameras to spy on the Underground. Sonia and Sonic frantically search for their brother before he, unknowingly, exposes the location of the secret sanctuary.

23Season 1

S1.E23 ∙ Dunes Day

Mon, Sep 27, 1999

Sonic and his siblings travel to the outskirts of Mobius to recruit a tribe of nomads for the Resistance.

24Season 1

S1.E24 ∙ Mummy Dearest

Tue, Sep 28, 1999

Sonic, Manic and Sonia invade Robotnik's lair to retrieve the Hedgehog crest.

25Season 1

S1.E25 ∙ The Hedgehog in the Iron Mask

Wed, Sep 29, 1999

The Hedgehogs latest quest to find their mother takes them to the prison tower where they encounter a masked stranger who insists he is family.

26Season 1

S1.E26 ∙ Six Is a Crowd

Thu, Sep 30, 1999

The Oracle advises the Hedgehogs to undertake a mission which could reveal answers about their future.

27Season 1

S1.E27 ∙ Flying Fortress: Chaos Emerald Crisis Part 1

Fri, Oct 1, 1999

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.

28Season 1

S1.E28 ∙ No Hedgehog Is an Island: Chaos Emerald Crisis Part 2

Tue, Oct 5, 1999

Sleet and Dingo escape the Flying Fortress with the Chaos Emerald.

29Season 1

S1.E29 ∙ New Echidna in Town: Chaos Emerald Crisis Part 3

Thu, Oct 7, 1999

Knuckles reluctantly makes a deal with Robotnik to turn over Sonic and his family in exchange for finding the Chaos Emerald that will save Mobius.

30Season 1

S1.E30 ∙ Wedding Bell Blues

Mon, Oct 4, 1999

Robotnik announces that he will marry Queen Aleena in a plot to become the king of Mobius.

31Season 1

S1.E31 ∙ Country Crisis

Mon, Oct 11, 1999

Queen Aleena advises the Hedgehogs to travel to a valley of Mobius so that they can bring about peace between two contingents of the resistance that have split.

32Season 1