Where to stream

Sonic Underground

6.919991 seasonUTV SeriesAction & AdventureAnimationKids

Sonic, Sonia, and Manic are the children of Queen Aleena Hedgehog, the rightful ruler of Mobius, and are pursued relentlessly by Doctor Robotnik and his bumbling bounty hunters sidekicks, Sleet and Dingo. As infants, the siblings were…

ProducerAndy Heyward

Where to watch

Amazon Prime Video Free with Ads Plex

Plex

Amazon MX Player

Availability shown for United Kingdom · rights vary by country

Seasons & Episodes

Beginnings (Origins, Part 1)

Aug 30, 1999 8.0

To Catch a Queen

Aug 31, 1999

Mobodoon

Sep 1, 1999

The Price of Freedom

Sep 2, 1999

Underground Masquerade

Sep 3, 1999 8.0

Tangled Webs

Sep 6, 1999

The Deepest Fear

Sep 7, 1999

Who Do You Think You Are

Sep 8, 1999

The Last Resort

Sep 9, 1999

E10

Come Out Wherever You Are

Sep 10, 1999

E11

Winner Fakes All

Sep 13, 1999

E12

A Hedgehog's Home Is Her Castle

Sep 14, 1999

E13

Artifact

Sep 15, 1999

E14

Bug!

Sep 16, 1999

E15

Sonic Tonic

Sep 17, 1999

E16

Friend or Foe?

Sep 20, 1999

E17

Head Games

Sep 21, 1999

E18

When in Rome...

Sep 22, 1999

E19

The Jewel of the Crown

Sep 23, 1999

E20

Three Hedgehogs and a Baby

Sep 24, 1999

E21

Dunes Day

Sep 27, 1999

E22

Mummy Dearest

Sep 28, 1999

E23

Hedgehog in the Iron Mask

Sep 29, 1999

E24

Six Is a Crowd

Sep 30, 1999

E25

Flying Fortress (Chaos Emerald Crisis, Part 1)

Oct 1, 1999

E26

Wedding Bell Blues

Oct 4, 1999

E27

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

Oct 5, 1999

E28

Getting to Know You (Origins, Part 2)

Oct 6, 1999

E29

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

Oct 7, 1999

E30

Harmony or Something (Origins, Part 3)

Oct 8, 1999

E31

Country Crisis

Oct 11, 1999

E32

Haircraft in Space

Oct 12, 1999

E33

Healer

Oct 13, 1999

E34

Sonia's Choice

Oct 14, 1999

E35

The Big Melt

Oct 15, 1999

E36

Sleepers

Oct 18, 1999

E37

Bartleby the Prisoner

Oct 19, 1999

E38

The Art of Destruction

Oct 20, 1999

E39

The Pendant

Oct 21, 1999

E40

Virtual Danger

Oct 22, 1999

Cast

Jaleel White

Sonic / Manic / Sonia (voice)

Sonic (singing voice)

Tyley Ross

Manic (singing voice)

Stevie Vallance

Sonia (singing voice)

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Sonic Underground — streaming FAQ

Which OTT platform streams Sonic Underground?

Sonic Underground is streaming on Amazon Prime Video Free, Plex and Amazon MX Player in United Kingdom, and available to rent or buy on Amazon Video. It's not currently on Netflix.

Is Sonic Underground on Netflix?

No, Sonic Underground is not on Netflix in United Kingdom as of October 2026. It's currently on Amazon Prime Video Free and Plex.

Is Sonic Underground on Amazon Prime Video?

Yes — Sonic Underground is included with an Amazon Prime Video subscription in United Kingdom as of October 2026.

Where can I watch Sonic Underground for free?

Sonic Underground is available to stream free (with ads) on Amazon Prime Video Free and Plex in United Kingdom.

How many seasons are in Sonic Underground?

Sonic Underground has 1 season in total (40 episodes). The series concluded in 1999.

Are all episodes of Sonic Underground out yet?

Yes — all 40 episodes across 1 season of Sonic Underground are out and available to stream.

Is there a Season 2 of Sonic Underground?

No — Sonic Underground ended after 1 season, so there is no Season 2.