I liked this a lot. I'm probably just such a sucker for Bohemian Rhapsody parodies. It's my favorite song! I really liked the animation in this. Did you steal the red shirt body count from "Stone Trek"? It's probably just a generic idea.
I wasn't expecting it to be that long. The credits came up halfway through the cartoon! There was some stuff afterwards. I don't know why you used Worms. Best was Scotty's lines.