this is my new story TMNT X RWBY X SONIC coming soon the story start of with the turtles along with rwby jnpr velvet penny april and casey relaxing in the lair meanwhile sonic and his friends trying to stop Dr eggman for stealing the chaos emerald but the chaos emerald cause chaos control that's when the turtles rwby jnpr velvet penny april and casey notice a portal inside the lair that's took all of them into sonic world would they able to get back home or they begin a new adventure.