Wasted Talent is episode 20 of family guy season 02. It was originally aired on April 25, 2000.
In an attempt to win a contest held by a local brewery, Peter and his friends go on a drinking binge to find the winning ticket hidden in a beer bottle. Meanwhile, Lois wants to beat Alexis, her rival, in an upcoming piano recital. But when Lois fails to find any good students, she is left high and dry until she finds that Peter can play the piano successfully while drunk.