3rd Rock from the Sun - Season 4 Episode 5

Dick is annoyed that Mary, in her new position as Dean, has little time for him anymore, and is even more annoyed when he is told that he has to share is office with new professor Jennifer Ravelli. Despite his initial dislike, and attempts to stay loyal to Mary, he soon begins to fall for Ravelli. Sally tries to fix Nina up with Don's cop friend Eric, but becomes irritated when they don't take to each other. At Happy Doug's bar, Tommy fixes up an old 'love tester' machine but is disappointed when it classifies him as 'cold fish' and Harry 'hot stuff'.