| 1 | Beginnings (Origins, Part 1) | |
| 2 | To Catch a Queen · 30 min | |
| 3 | Mobodoon · 30 min | |
| 4 | The Price of Freedom · 30 min | |
| 5 | Underground Masquerade | |
| 6 | Tangled Webs · 30 min | |
| 7 | The Deepest Fear | |
| 8 | Who Do You Think You Are | |
| 9 | The Last Resort | |
| 10 | Come Out Wherever You Are | |
| 11 | Winner Fakes All | |
| 12 | A Hedgehog's Home Is Her Castle · 30 min | |
| 13 | Artifact | |
| 14 | Bug! | |
| 15 | Sonic Tonic | |
| 16 | Friend or Foe? | |
| 17 | Head Games | |
| 18 | When in Rome... · 30 min | |
| 19 | The Jewel of the Crown | |
| 20 | Three Hedgehogs and a Baby | |
| 21 | Dunes Day | |
| 22 | Mummy Dearest | |
| 23 | Hedgehog in the Iron Mask | |
| 24 | Six Is a Crowd | |
| 25 | Flying Fortress (Chaos Emerald Crisis, Part 1) · 30 min | |
| 26 | Wedding Bell Blues | |
| 27 | No Hedgehog Is an Island (Chaos Emerald Crisis, Part 2) · 30 min | |
| 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 Crisis | |
| 32 | Haircraft in Space | |
| 33 | Healer | |
| 34 | Sonia's Choice | |
| 35 | The Big Melt | |
| 36 | Sleepers | |
| 37 | Bartleby the Prisoner | |
| 38 | The Art of Destruction · 30 min | |
| 39 | The Pendant | |
| 40 | Virtual Danger | |
