South Park Episode 401 - "The Tooth Fairy Tats"
The tooth fairy has visited Cartman, leaving him two dollars.
He rushes to the bus stop to share his news with the others. He then unveils his latest plan. If all they all combined their lost teeth, the tooth fairy will provide them with enough cash to purchase a Sega Dreamcast. They soon find out that they are treading on someone else's territory. Now they have to work with the mobsters to keep their manhood.