Sonic Underground

Season 1 · Episode 15 — Sonic Tonic

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Episode1. Beginnings (Origins, Part 1)2. To Catch a Queen3. Mobodoon4. The Price of Freedom5. Underground Masquerade6. Tangled Webs7. The Deepest Fear8. Who Do You Think You Are9. The Last Resort10. Come Out Wherever You Are11. Winner Fakes All12. A Hedgehog's Home Is Her Castle13. Artifact14. Bug!15. Sonic Tonic16. Friend or Foe?17. Head Games18. When in Rome...19. The Jewel of the Crown20. Three Hedgehogs and a Baby21. Dunes Day22. Mummy Dearest23. Hedgehog in the Iron Mask24. Six Is a Crowd25. Flying Fortress (Chaos Emerald Crisis, Part 1)26. Wedding Bell Blues27. No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2)28. Getting to Know You (Origins, Part 2)29. New Echidna in Town (Chaos Emerald Crisis, Part 3)30. Harmony or Something (Origins, Part 3)31. Country Crisis32. Haircraft in Space33. Healer34. Sonia's Choice35. The Big Melt36. Sleepers37. Bartleby the Prisoner38. The Art of Destruction39. The Pendant40. Virtual Danger

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