The Light in the Darkness

"The Light in the Darkness" or "Battle! Dark Oak" (Kessen! Dāku Ōku (決戦！ダーク・オーク?)) is the 76th episode of Sonic X

Plot
Amy tries to rescue Sonic from the watery planet, but everyone else keeps her back, trying to come up with another plan. Then, Knuckles comes up with a brilliant idea: use the Master Emerald to cut off the energy supply to Dark Oak. The team charges up the Sonic Driver with the Master Emerald and fires it at Black Narcissus and Pale Bayleaf, destroying them. After this is done, the Master Emerald shatters, and it is revealed that the Metarex have sucked up all the Chaos Emerald's energy. Dark Oak's beast head becomes extremely weak because of a hit from the Sonic Driver, and finally ceases movement. The planet expands, taking Dark Oak along with it. Inside the planet, Sonic sees what happens after the Forestation process is complete. He manages to fight a bunch of sand monsters and plant-like tentacles, only to find out he's fighting in a dream and sonic runs at full speed. Suddenly, Amy spots Sonic inside the planet is able to get Sonic out of there, crashing through the roots into the water to rescue him but is knocked unconscious. Sonic then catches Amy and stares at her in awe. However as Amy and Sonic are going down an energy sphere surrounds them, protects them and heals them. Chris (who's on Hyper Tornado) rescues Sonic and Amy. Suddenly, the planet condenses into a giant seed.