South Park (1997)

S6E16 My Future Self n' Me

A 32-year-old man who insists he is Stan from the future arrives in South Park, prompting young Stan to confront the disappointing path his life is likely to take. At the same time, Eric Cartman, South Park’s self-proclaimed entrepreneur, embarks on a new scheme to make money. His latest venture? A business focused on vendettas.