South Park: Season 10, Episode 5

10 - 5: A Million Little Fibers

Towelie tries to get his life in order and writes a book about his drug addiction. His book is endorsed by Oprah, which helps it to sell thousands of copies. Soon people find out an aspect of the book is false, and though they learn valuable lessons from the book, they still want to punish Towelie for lying to them.