archytele The Vault

Sonic Underground 1999

★ 6.9/10 · 156 votes TV-Y7 Action & AdventureAnimationKids 1 seasons · 40 eps Ended
Where to watch: Amazon Prime VideoParamount Plus PremiumParamount Plus EssentialParamount Plus Apple TV ChannelParamount+ Roku Premium ChannelAmazon Prime Video with AdsMidnight Pulp Amazon ChannelRetroCrush Amazon ChannelFandango At HomeThe Roku ChannelPluto TVPlexAmazon Prime Video Free with AdsCineverseXumo PlayTubi TVAmazon Video
Quick answer

What is Sonic Underground?

Sonic Underground is an animated television series featuring the characters Sonic, Sonia, and Manic. The narrative follows these three siblings, who are the children of Queen Aleena Hedgehog.

Type
TV series
Year
1999
Status
Ended
Episodes
40
Runtime
25 minutes
First aired
Aug 30, 1999
Last aired
Oct 22, 1999
Original language
EN
Origin
FR, US
Networks
TF1, Syndication
Genres
Action & Adventure, Animation, Kids
Updated
Availability by region

Where to watch

Free

Hoopla

With ads

Tubi TVPlex
Check current availability ↗

Streaming availability data provided by JustWatch via TMDB. Availability changes by country and date; verify on the provider before subscribing or purchasing.

Planning tool

How long to binge?

Estimate the schedule using 40 episodes and an average 25-minute runtime.

Trailer

Overview

Sonic Underground is an animated television series featuring the characters Sonic, Sonia, and Manic. The narrative follows these three siblings, who are the children of Queen Aleena Hedgehog. As the rightful ruler of Mobius, Queen Aleena is separated from her offspring when they are infants to ensure their safety. The siblings are placed in hiding to fulfill a prophecy delivered by the Oracle of Delphius. This prophecy dictates that the triplets will eventually reunite to locate their estranged mother, overthrow the antagonist Doctor Robotnik, and reclaim their positions as the rightful rulers of Mobius. Throughout the series, the trio faces constant pursuit from Doctor Robotnik and his bounty hunter sidekicks, Sleet and Dingo. The plot centers on the siblings' journey to navigate these challenges while working toward the fulfillment of the Oracle's vision. The show documents their ongoing struggle against the forces of Doctor Robotnik as they attempt to restore their family and the leadership of their home world.

Advertisement

Should you watch it?

“Three hedgehog siblings unite to overthrow a tyrant and find their lost mother.”

Reasons to watch
  • unique take on the Sonic franchise
  • twin villains with comedic timing
  • prophecy-driven plot with royal stakes
Keep in mind
  • short-lived series
  • limited character development

you enjoy animated adventures with sibling teamwork and catchy musical numbers.

Suitable for children; features mild action and comedic bumbling by villains.

Ask the Vault

Ask anything about Sonic Underground — answers are spoiler-safe.

Your verdict

Is Sonic Underground worth watching?

Cast

Episode guide

Season 1 · 40 episodes Open the complete Season 1 guide →

Frequently asked questions

Is this show part of the main Sonic canon?

No, it exists in its own continuity separate from other Sonic media.

Who are the main characters?

The main characters are Sonic, Sonia, and Manic, the hedgehog triplets.

What is the show's setting?

The show takes place on the planet Mobius.

Are there any musical elements in the show?

Yes, the series is known for its musical episodes and songs.

Who created Sonic Underground?

It was co-produced by DIC Productions, Les Studios Tex, Sega, and TF1.