Sonic Underground · S01E01 "Beginnings (Origins, Part 1)"

E2

To Catch a Queen

E3

Mobodoon

E4

The Price of Freedom

E5

Underground Masquerade

E6

Tangled Webs

E7

The Deepest Fear

E8

Who Do You Think You Are

E9

The Last Resort

E10

Come Out Wherever You Are

E11

Winner Fakes All

E12

A Hedgehog's Home Is Her Castle

E13

Artifact

E14

Bug!

E15

Sonic Tonic

E16

Friend or Foe?

E17

Head Games

E18

When in Rome...

E19

The Jewel of the Crown

E20

Three Hedgehogs and a Baby

E21

Dunes Day

E22

Mummy Dearest

E23

Hedgehog in the Iron Mask

E24

Six Is a Crowd

E25

Flying Fortress (Chaos Emerald Crisis, Part 1)

E26

Wedding Bell Blues

E27

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

E28

Getting to Know You (Origins, Part 2)

E29

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

E30

Harmony or Something (Origins, Part 3)

E31

Country Crisis

E32

Haircraft in Space

E33

Healer

E34

Sonia's Choice

E35

The Big Melt

E36

Sleepers

E37

Bartleby the Prisoner

E38

The Art of Destruction

E39

The Pendant

E40

Virtual Danger