Аналогично раннему, список серий с добавлением музыкальных треков. Информация чисто ознакомительная.
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Sonic Underground: 1x01 Beginnings  (Episode song: Someday)
Sonic Underground: 1x02 Getting to Know You  (Episode song: Working Together In Harmony)
Sonic Underground: 1x03 Harmony or Something  (Episode song: We're All In This Together)
Sonic Underground: 1x04 To Catch a Queen  (Episode song: Have You Got The 411?)
Sonic Underground: 1x05 Mobodoon  (Episode song: I've Found My Home)
Sonic Underground: 1x06 The Prince of Freedom  (Episode song: Money Can't Buy)
Sonic Underground: 1x07 Underground Masquerade  (Episode song: Let The Good Times Roll)
Sonic Underground: 1x08 Tangled Webs  (Episode song: The Children Light The Way)
Sonic Underground: 1x09 The Deepest Fear  (Episode song: Face Your Fear)
Sonic Underground: 1x10 Who Do You Think You Are  (Episode song: We Need To Be Free)
Sonic Underground: 1x11 The Last Resort  (Episode song: Listen To Your Heart)
Sonic Underground: 1x12 Come Out Wherever You Are  (Episode song: Society Girl)
Sonic Underground: 1x13 Winner Fakes All  (Episode song: Built For Speed)
Sonic Underground: 1x14 A Hedgehog's Home Is Her Castle  (Episode song: Let's Do It To It)
Sonic Underground: 1x15 Artifact  (Episode song: You Can't Own Everything)
Sonic Underground: 1x16 Bug!  (Episode song: Never Give Up)
Sonic Underground: 1x17 SonicTonic  (Episode song: The Fastest Thing Alive)
Sonic Underground: 1x18 Friend Or Foe  (Episode song: Not Always What They Seem)
Sonic Underground: 1x19 Head Games  (Episode song: Take A Chance)
Sonic Underground: 1x20 When In Rome...  (Episode song: When There's A Will, There's A Way)
Sonic Underground: 1x21 The Jewel in the Crown  (Episode song: The Cosmic Dance)
Sonic Underground: 1x22 Three Hedgehogs and a Baby  (Episode song: Being A Kid Is Cool)
Sonic Underground: 1x23 Dunes Day  (Episode song: True Blue Friend)
Sonic Underground: 1x24 Mummy Dearest  (Episode song: We Are Sonic Underground (Egyptian version))
Sonic Underground: 1x25 Hedgehog in the Iron Mask  (Episode song: Part Of The Problem)
Sonic Underground: 1x26 Six is a Crowd  (Episode song: I Can Do That For You)
Sonic Underground: 1x27 Flying Fortress  (Episode song: No One Is An Island)
Sonic Underground: 1x28 No Hedgehog is an Island  (Episode song: Learn To Overcome)
Sonic Underground: 1x29 New Echidna in Town  (Episode song: The Mobius Stomp)
Sonic Underground: 1x30 Wedding Bells Blues  (Episode song: When Tomorrow Comes)
Sonic Underground: 1x31 Country Crisis  (Episode song: How You Play the Game)
Sonic Underground: 1x32 Haircraft in Space  (Episode song: Don't Be a Backstabber)
Sonic Underground: 1x33 Healer  (Episode song: We're the Sonic Underground (rock version))
Sonic Underground: 1x34 Sonia's Choice  (Episode song: Never Easy For Us)
Sonic Underground: 1x35 The Big Melt  (Episode song: Fun in the Sun)
Sonic Underground: 1x36 Sleepers  (Episode song: Have It All)
Sonic Underground: 1x37 Bartleby the Prisoner  (Episode song: Justice Callin)
Sonic Underground: 1x38 The Art of Destruction  (Episode song: Sound of Freedom)
Sonic Underground: 1x39 The Pendant  (Episode song: Lady Liberty)
Sonic Underground: 1x40 Virtual Danger  (Episode song: Don't Let Your Guard Down)

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