One Piano, Four Hands

When both Wanda and Davis sign up for piano lessons with Emma, Wanda's competitive drive kicks into high gear and drives everyone crazy. Oscar is upset about the new air pump at Corner Gas, and he's not the only one... the whole town is up in arms over it. Lacey breaks her arm and learns all about Hank's three stages of injuries; meanwhile, Karen is trying to escape some painful cast-signing memories and so avoids signing Lacey's cast.