Voir Best of Warner Bros. 50 Cartoon Collection: Scooby-Doo - Episode 39

The Mystery Inc. gang has been invited to compete in the annual "Teen Mystery Solver's Convention," a weekend affair where sleuthing teams from around the country compete to solve a mystery. But when the whodunit turns out to be the disappearance of the teams themselves, it is up to the team sidekicks - led by Scooby-Doo - to find out what's behind it all. And this mystery needs to be solved by the end of the weekend ... or they'll never see their friends again.