1A Cosmic Call
Sonic returns to his planet after releasing the seven chaos emeralds into space.
2Cosmic Crisis
Cosmo reveals the mission of the Metarex.
3H2 Whoa
Sonic is captured by the Metarex.
4An Enemy in Need
Sonic and the others see through Eggman's trick.
5A Chilling Discovery
Sonic and friends are back on the hunt for Chaos Emeralds.
6Desperately Seeking Sonic
As Sonic crashes with Eggman onto a jungle planet, Amy rushes out to find him, and Cosmo and Cream follow.
7Galactic Gumshoes
Chuck finds a way to teleport material objects to Sonic's world, and Vanilla asks the Chaotix to help wend them to Chris.
8Trick Sand
The crew of the Blue Typhoon go emerald hunting on a deserted planet.
9Ship of Doom
A Metarex fleet lead by Scarship sets out to destroy Eggman and Sonic with its might.
10An Underground Odyssey
After the battle with Metarex's Scarship, the Blue Typhoon crashes onto a strange planet.
11Station Break-In
Sonic and Eggman agree on a joint effort to retrive the last two Chaos Emeralds hiden inside a Metarex fortress.
12A Metarex Melee
Sonic squares off with Dark Oak and his army of Metarex.
13Mission: Match-Up
Vector comes up with a scheme to play match maker for Cosmo and Tails.
14Clash in the Cloister
As they travel through the Intergalactic Cloister, Sonic and the others battle Yellow Zelkova.
15Teasing Time
Sonic and friends come across a barren planet with 500 Chaos Emerald signals coming from it.
16A Revolutionary Tale
While traveling through space, Dr. Eggman and his forces come across a group of humans battling the armada of Pale Bay Leaf.
17The Planet of Misfortune
Sonic and the others finds a race called Marmolians and head to their home planet.
18Terror on the Typhoon
The Blue Typhoon comes under attack from the Metarex fleet.
19Hedgehog Hunt
The Chaotix trio tries to aide Sonic and his friends as Metarex hunts for them.
20Zelkova Strikes Back
The Blue Typhoon arrives at a planet, but Yellow Zelkova attacks the Blue Typhoon.
21The Cosmo Conspiracy
Shadow invades the Blue Typhoon, trying to kill Cosmo for reasons unknown.
22Eye Spy
When 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 Mischief
Sonic 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 Darkness
After Sonic falls into the watery planet, the gang struggles for a way to rescue him and defeat Dark Oak.
25A Fearless Friend
The giant seed finally reaches the final stage of its metamorphosis, and Cosmo steps in the battle to stop it.
26So Long Sonic
After the galaxy is saved, Sonic and his friends recalls memorable moments and anticipate their future.