Towelie's Memoirs are chosen for Oprah's Book Club in "A Million Little Fibers" - an all-new episode of South Park premiering tonight, Wednesday, April 19 at 10:00 P.M. on Comedy Central. Check here for rerun times. Towelie gets over his drug addiction and writes a moving book about his experiences. Thanks to Oprah’s support, the book becomes a best seller and his story inspires millions to turn their lives around. However, when he’s caught in a lie by the grand dame of daytime television, Towelie’s old habits start to look mighty appealing.