Due to some limitations in my archive, I've posted all the movies here. Enjoy!
Canonical-
Episode 15
In which Sonic and Mech Hunter battle in order to test his skills.
Episode 20
In which Sonic makes quick work of Eggman, who has blocked the path to the IceCap caverns.
Episode 21
In which Mech Hunter shows off his real power and destroys the road block.
Episode 71
Possibly my greatest blunder. The introduction of Sayian Sonic. Ugh.
Episode 20
Sonic has a run in with Metal Sonic, and proceeds to thrash him.
Formerly Episode 100, but no matter what the intro says, it's 96. Don't ask, just trust.