Look at that pig, stuffing his face with donuts on my time. That’s right keep eating. Little do you know you’re drawing ever closer to the poisoned donut... There is a poisoned one, isn’t there, Smithers?— Burns
Framegrabs from the Season 1 episode, Moaning Lisa. Lisa is feeling blue, and her family just don't understand. She meets a jazz musician, Bleeding Gums Murphy, who helps her feel better.