"Eek, a Penis!" is the fifth episode in the twelfth season of the American animated series South Park. The 172nd episode of the series overall, it originally aired on Comedy Central in the United States on April 9, 2008. In the episode, Mrs. Garrison seeks to become a man again through the help of a new medical procedure, and Cartman helps teach struggling inner-city school children how to succeed by cheating. This episode is a parody of the 1988 film Stand and Deliver, with Eric Cartman playing a role similar to that of Edward James Olmos's character.