The scene: https://www.youtube.com/watch?v=S3MEj9f8PXY&t=1m28s https://www.youtube.com/watch?v=S3MEj9f8PXY&t=1m28s Episode (Season 7, 1995): https://en.wikipedi

The scene: https://www.youtube.com/watch?v=S3MEj9f8PXY&t=1m28s https://www.youtube.com/watch?v=S3MEj9f8PXY&t=1m28s Episode (Season 7, 1995): https://en.wikipedia.org/wiki/King-Size_Homer https://en.wikipedia.org/wiki/King-Size_Homer Homer declines a Krusty Burger, whereupon Bart rubs it on the restaurant wall, turning the wall transparent with the sheer amount of oil in the burger. This convinces Homer to eat it (as he's on a mission to gain weight to get on disability and work from home), and causes a bird to fly straight into the newly transparent patch of wall.