[The opening credits roll. They start with the typical pan into Endsville, going through the gate Rocket said 3 2 1 And Grim Laugh evil Ha Ha Ha Ha Ha. Jimmy Neutron said Gotta blast. From here to the stars, With my candy bars, Rides a kid With a knack For inventions. A super-powered mind, A mechanical canine, He rescues the day From sure destruction. He's gotta save the world An

This is my First Crossover ever when the cast of jimmy neutron meets the cast of The Grim Adventures of Billy and Mandy on new funny adventure Were Grim not just to be come friend slave to billy and mandy but to jimmy neutron and his friends as well.