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As the pair grows closer, they encounter Fred, Velma, and Daphne while seeking candy on Halloween. A misunderstanding leads them to a haunted house where they face a ghost—a scheme later revealed to be the work of a man in a mask. This adventure brings the group together, and as time passes, they officially form the Mystery Incorporated team, dedicated to solving mysteries across their city.
Challenges Arise
Fast forward to adulthood, the gang encounters Simon, their new sponsor, who dismisses Shaggy and Scooby as weak. Offended by this, Shaggy and Scooby leave the diner in search of fun, but things take a chaotic turn when they face an attack from evil robots at a bowling alley, ultimately leading to their abduction by Dick Dastardly.