South Park: Season 7, Episode 6

7 - 6: Lil' Crime Stoppers

The boys are playing "junior detectives," and have to find a kidnapped doll. After a daring rescue, they are taken back to Park County Police Headquarters. Upon their arrival, the Chief makes them "real" junior detectives and gives them their first assignment: breaking up a meth lab. The boys soon learn being real detectives isn't as fun as they thought.