To mess with Gwen Ben makes a copy of her spell book, but when she reads one of the fake spells it transports Ben, Gwen, Max and the rusty bucket to the Teen Titan's world.
There, they help the Titans defeat a monster that was attacking Jump City. They befriend the Titans and they're taken to the Titan tower where they explain their situation.
The Titans decide to help them get back to their world. One of their attempts has strange side effects on Ben and his aliens. Which is a huge 18 inch cock, he gains high sexual stamina
