Fantastic Show.
Although a little dry at times, the fight scenes were incredibly entertaining, from the moment Sonic gets the fire flower and Luigi becomes the stone thing, and they use him to destroy half that army is a complete adrenaline rush.
Speaking of which, I'm glad you actually GAVE Sonic the ability to use items, I didn't think you would make this possible... but from what i've seen in this episode, I am truly glad you did! It was an epic happening.
Every time I watch a new episode you seem to get better, more crisp with your movements and actions. And how you can tell that Alvin-Earthworm made this.
For example your trademark (*FLASH* *FLASH* BOOM!) attack that gives me goosbumps everytime it happens.:D
Also, I am truly excited you used close up facial expressesions! And your own artwork! I hope you continue to use this in your next episodes.
However, I despise the inclusion of this "Captain" character. It's not that he isn't badass, which he is, but the fact that he can turn people into stone is kind of a mood killer for me.
This means that this character, if he didn't have a grudge against Mario and wanted to beat him in a one on one brawl, could've ended the story right here, turning all the heros into stone, and then reduce them to rubble. :-/ And this also means that the only reason they might get out of this situation is by pure luck, not skill.
I hope you add like, I dunno, a problem with his stone power... like people can only remain stone for a limited time or, people who are *blank, blank, blank* like Mario can't be turned to stone, and he beats him fair and square.
But that's just me. Even if this idea is present, I do love the suspense :3
It was very enjoyable, and I cannot wait for the next one. Good Luck with the series Alvin-Earthworm.