Watch Scooby-Doo! Mystery Incorporated Season 2, Episode 16

When Sheriff Stone confesses to the gang that he was abducted by aliens as a child, Mystery Inc. decides to look into his claims that aliens are now running around Crystal Cove taking high-tech devices (clearly trying to rebuild their crashed spaceship so that they can get off our planet and get back to their inter-galactic war that's happening all around us!) The gang is skeptical at first but circumstances keep leading them to believe the Sheriff. Strange things have been happening lately. Who's to say aliens aren't real? Things get stranger still when the aliens steal Barty Blake's brand new high-tech electric car right out of the Blake mansion. The gang gives chase! Meanwhile, Scooby and Shaggy think they've figured this mystery out. And, with a little sleuthing with Velma, they actually uncover the mystery. Turns out, there are no such things as aliens...well, at least not in this episode!