Sonic Underground

Completely Free
Complete Pluto TV Catalog

Children & Family

TV-Y7

1 Season

22m

Sonic, Manic and Sonia must fight Dr. Robotnik and his two sidekicks, Sleet and Dingo and the SWAT Bots, with the aid of their metal medallions and bring peace to Mobius and find mother!

Season 1, 40 Episodes

season 1 (40 episodes)

S1 E1

Wedding Bell Blues,

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

TV-Y7 22m 1999

S1 E2

To Catch a Queen,

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.

TV-Y7 22m 1999

S1 E3

Mobodoon,

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

TV-Y7 22m 1999

S1 E4

The Price of Freedom,

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

TV-Y7 22m 1999

S1 E5

Underground Masquerade,

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

TV-Y7 22m 1999

S1 E6

Tangled Webs,

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

TV-Y7 22m 1999

S1 E7

The Deepest Fear,

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

TV-Y7 22m 1999

S1 E8

Who Do You Think You Are,

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

TV-Y7 22m 1999

S1 E9

The Last Resort,

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

TV-Y7 22m 1999

S1 E10

Come Out Wherever You Are,

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.

TV-Y7 22m 1999

S1 E11

Winner Fakes All,

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

TV-Y7 22m 1999

S1 E12

A Hedgehog’s Home Is Her Castle,

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

TV-Y7 22m 1999

S1 E13

Artifact,

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

TV-Y7 22m 1999

S1 E14

Bug,

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

TV-Y7 22m 1999

S1 E15

Sonic Tonic,

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.

TV-Y7 22m 1999

S1 E16

Friend or Foe,

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

TV-Y7 22m 1999

S1 E17

Head Games,

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.

TV-Y7 22m 1999

S1 E18

When in Rome...,

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

TV-Y7 22m 1999

S1 E19

The Jewel of the Crown,

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

TV-Y7 22m 1999

S1 E20

Three Hedgehogs and a Baby,

Sonic, Manic, and Sonia find an abandoned baby in an alley and begin a search for the baby's parents.

TV-Y7 22m 1999

S1 E21

Dunes Day,

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

TV-Y7 22m 1999

S1 E22

Mummy, Dearest,

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

TV-Y7 22m 1999

S1 E23

The Hedgehog in the Iron Mask,

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.

TV-Y7 22m 1999

S1 E24

Six Is a Crowd,

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

TV-Y7 22m 1999

S1 E25

Flying Fortress,

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.

TV-Y7 22m 1999

S1 E26

Beginnings,

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

TV-Y7 22m 1999

S1 E27

No Hedgehog Is an Island,

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

TV-Y7 22m 1999

S1 E28

Getting to Know You,

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

TV-Y7 22m 1999

S1 E29

New Echidna in Town,

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.

TV-Y7 22m 1999

S1 E30

Harmony or Something,

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

TV-Y7 22m 1999

S1 E31

Country Crisis,

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.

TV-Y7 22m 1999

S1 E32

Haircraft in Space,

Robotnik is using the local hairdresser, Doo-bot, to get information on the citizens who are against him.

TV-Y7 22m 1999

S1 E33

Healer,

A self-proclaimed scientist has come to Robotropolis with a device that will reverse the effects of Robotnik's robotisizer.

TV-Y7 22m 1999

S1 E34

Sonia's Choice,

Robotnik has arranged a museum exhibit of the Royal family goblets.

TV-Y7 22m 1999

S1 E35

The Big Melt,

The Hedgehogs vacation is interrupted by the news of Robotnik's latest weapon.

TV-Y7 22m 1999

S1 E36

Sleepers,

On a mission in a distant sector of Robotropolis, the Hedgehogs are informed that freedom fighters have disappeared and are going to be robotisized.

TV-Y7 22m 1999

S1 E37

Bartleby the Prisoner,

Robotnik captures Bartleby and uses him as bait to capture Sonia.

TV-Y7 22m 1999

S1 E38

The Art of Destruction,

Robotnik's new weapon, Art, is the enforcer of Robotropolis new eradication policy.

TV-Y7 22m 1999

S1 E39

The Pendant,

The newly discovered Emerald Peninsula is a perfect place for Robotnik to add slaves to his empire.

TV-Y7 22m 1999

S1 E40

Virtual Danger,

Sonic and Manic play a game of virtual reality to enhance their pilot skills.

TV-Y7 22m 1999

What's New

You Could Also Try

Details

Sonic Underground

Children & Family

TV-Y7

1 Season

22m

Sonic, Manic and Sonia must fight Dr. Robotnik and his two sidekicks, Sleet and Dingo and the SWAT Bots, with the aid of their metal medallions and bring peace to Mobius and find mother!

Watch Free TV Shows

Watch free TV shows, from exciting new releases to timeless classics. Whether you’re into gripping crime shows, fan-favorite sitcoms, reality TV, or acclaimed dramas, watch free full seasons of TV shows On Demand anytime, anywhere.