Sonic XSeason 32009 · 26 episodesEpisodes1A Cosmic CallSonic returns to his planet after releasing the seven chaos emeralds into space.2Cosmic CrisisCosmo reveals the mission of the Metarex.3H2 WhoaSonic is captured by the Metarex.4An Enemy in NeedSonic and the others see through Eggman's trick.5A Chilling DiscoverySonic and friends are back on the hunt for Chaos Emeralds.6Desperately Seeking SonicAs Sonic crashes with Eggman onto a jungle planet, Amy rushes out to find him, and Cosmo and Cream follow.7Galactic GumshoesChuck finds a way to teleport material objects to Sonic's world, and Vanilla asks the Chaotix to help wend them to Chris.8Trick SandThe crew of the Blue Typhoon go emerald hunting on a deserted planet.9Ship of DoomA Metarex fleet lead by Scarship sets out to destroy Eggman and Sonic with its might.10An Underground OdysseyAfter the battle with Metarex's Scarship, the Blue Typhoon crashes onto a strange planet.11Station Break-InSonic and Eggman agree on a joint effort to retrive the last two Chaos Emeralds hiden inside a Metarex fortress.12A Metarex MeleeSonic squares off with Dark Oak and his army of Metarex.13Mission: Match-UpVector comes up with a scheme to play match maker for Cosmo and Tails.14Clash in the CloisterAs they travel through the Intergalactic Cloister, Sonic and the others battle Yellow Zelkova.15Teasing TimeSonic and friends come across a barren planet with 500 Chaos Emerald signals coming from it.16A Revolutionary TaleWhile traveling through space, Dr. Eggman and his forces come across a group of humans battling the armada of Pale Bay Leaf.17The Planet of MisfortuneSonic and the others finds a race called Marmolians and head to their home planet.18Terror on the TyphoonThe Blue Typhoon comes under attack from the Metarex fleet.19Hedgehog HuntThe Chaotix trio tries to aide Sonic and his friends as Metarex hunts for them.20Zelkova Strikes BackThe Blue Typhoon arrives at a planet, but Yellow Zelkova attacks the Blue Typhoon.21The Cosmo ConspiracyShadow invades the Blue Typhoon, trying to kill Cosmo for reasons unknown.22Eye SpyWhen the team discovers that Cosmo's brain is emitting a signal to the Metarex, they plan on trying to eliminate the signal, except that the signal is connected to the part of her brain that translates sounds and sight. While Tails and Cosmo are torn about this, Knuckles pushes for the surgery.23Agent of MischiefSonic and the others chase after Dark Oak to galactic coordinates 0-0-0, where a thousand-year prophecy will bring their plan to fruition.24The Light in the DarknessAfter Sonic falls into the watery planet, the gang struggles for a way to rescue him and defeat Dark Oak.25A Fearless FriendThe giant seed finally reaches the final stage of its metamorphosis, and Cosmo steps in the battle to stop it.26So Long SonicAfter the galaxy is saved, Sonic and his friends recalls memorable moments and anticipate their future.Season 1Season 2
