Sonic X - Season 3 (2005)

Sonic and his friends are the guests of honor at a feast for saving the planet. Dr. Eggman, observing the celebration, begins to plot his next scheme to steal away the Chaos Emerald.

Continuing the search for Chaos Emeralds, Sonic, and soon after Dr. Eggman, heads for Planet Breezy but is faced with an attack from Metarex.

In pursuit of Metarex who had stolen Planet egg on a jungle planet, Sonic gets thrown down to the planet. Worried Amy, Cosmo, Cream, and Cheese organize a search party in order to find Sonic.

Chuck finds a way to teleport supplies from his world to Sonic's. When the supplies are received by Vanilla, she asks Chaotix to deliver them to Chris. Now aboard the spaceship sent also by Chuck, Chaotix are off for a special delivery.

Rouge, aboard Crimson Egg, makes a discovery of a secret room that carries a strange capsule powered by a Chaos Emerald. Much to her surprise she discovers that Shadow is hibernating inside.

As Shadow tries to recall who Sonic and his friends when a Metarex named Scarship arrives to complete its newly assigned mission: to destroy Sonic and Dr. Eggman.

Blue Typhoon has found a new planet that may harbor another Chaos Emerald. Tails, Cosmo, and Knuckles explore in search of the emerald when they come across an abandoned city.

Discovering that the last two Chaos Emeralds are inside a Metarex fortress, Dr. Eggman suggests a truce between him and Sonic to work against their common foe.

Sonic faces off against Dark Oak once again, Eggman has taken control of Blue Typhoon and outside the fortress are Metarex armada led by Red Pine. The situation can't seem to get any more dire when Red Pine and his crew begin to attack their own base.

As Amy wonders about fate of Shadow and the rest of the crew begin to fix things up around Blue Typhoon, they come across a Chaotix ship who had been drifting in space since they last made their delivery to Chris.

Despite not knowing how it might affect Chris, the crew decide to travel through Intergalactic Cloister in hopes of reaching Metarex. The intense distortions inside the cloister knock everyone out.

Metarex have been following Blue Typhoon for 12 hours now. With no signs of attacks, Sonic begins to wonder if they are being led into a trap.

When Shadow destroys the fleet of Metarex and saves Molly inadvertently, he and Dr. Eggman are welcomed by the revolutionaries against Metarex. Attempting to capitalize on their gratitude, Dr. Eggman decides to take the planet's Chaos Emerald.

Sonic finds a meteor in space while on search for another Chaos Emerald. When Tails brings the meteor in, they discover it to be a space ship with small Chao-like creatures aboard.

Blue Typhoon attempts to save a small ship caught in the crossfire between them and the Metarex. Unfortunately the pilot aboard the spaceship was Decoe, who was acting as a decoy to lure Sonic into the path of Megarex fleet led by Dr. Eggman.

Chaotix still aren't able to find their home. Upon taking a wrong turn in space, they've landed on a planet where they are now running a café in order to raise money for the ship's repair. All seems to be going (relatively) well when Dr. Eggman shows up with an offer of reward for Sonic and his crew's capture.

Blue Typhoon is under attack by Yellow Zelkova who is equipped with a special energy shield built by Dr. Eggman. Sonic and his crew are sent crashing down to a nearby planet where Knuckles and Sonic attempt to destroy the powerful weapon.

Shadow breaches Blue Typhoon, appearing in Cosmo's room. As he knocks Sonic and Chris unconscious, Shadow goes after Cosmo whom Tails has taken away to safety.

Blue Typhoon is mysteriously transported to an abandoned planet as Cosmo discovers that Metarex are monitoring what she sees and hears through a chip that is implanted in her. As Tails and Chris try to find a way to remove Cosmo's chip, Amy and Rouge discover that the planet is Cosmo and Metarex's home planet.

When everyone is informed by Dr. Eggman of Metarex' gathering in accordance to a thousand-year prophecy Sonic and his crew head off for their final battle, leaving Shadow behind. However Shadow soon follows suit as Chaotix drop by to offer him a ride.

With Sonic being knocked down to Planet Aqurius and Dark Oak still continuing the evolution to its final form, Knuckles and team come up with a plan to cut off Dark Oak's energy by firing the Master Emerald at Metarex.

Metarex seed continues to grow into its final form and Sonic and his team are unable to stop it. As Chaotix collect Chaos Emerald now drained of its power, Dr. Eggman reveals a plan to restore their power.

With the sacrifice of Cosmo, Dark Oak has finally been destroyed. The crew mourns the loss of Cosmo though they are quickly faced with another trouble as the Planet Egg begins to release its explosive energy.