The Simpsons Se04 Ep16 Duffless

“Duffless” is the sixteenth episode of Season 4. It aired on February 18, 1993. The episode was written by David M. Stern and directed by Jim Reardon.

Lisa conducts a secret experiment for the Springfield Elementary School science fair to see who’s smarter, Bart or a hamster. Meanwhile, Homer is forced to swear off beer after being arrested on a D.U.I.