Soodak the Invader arrives on Earth to scout for his invasion forces. He has his men launch their probe units so they can try to secure the area. Moby, Scooby and the boys come across some of the probes and Soodak orders them to be captured. Moby destroys the probes but Tom and Tubb are captured by another set of probes. Will Moby be able to save the boys and stop Soodak's invasion plans?