Diane uses Sam as a case study for a paper in her Human Sexuality class, but she paints an unflattering picture of him. Meanwhile, Woody challenges Carla to a sports trivia contest, and Cliff grows a unique squash.
- Shelley Long as Diane Chambers
- Ted Danson as Sam Malone
- Rhea Perlman as Carla Tortelli
- John Ratzenberger as Cliff Clavin
- George Wendt as Norm Peterson
- Woody Harrelson as Woody Boyd
Recurring / Guest stars: