3rd Rock from the Sun continues to show its audience the great complexity of modern society. After a crash course in human relations in season one, the Solomons still have a lot to learn in season two. Season two finds them learning about comedy, sports, theater, Thanksgiving, Christmas, health, marriage, high society, animals, and - most epically - dreams.
The Solomons mature slightly in their relationships. Harry (French Stewart) gets lucky with Ms. Dupcheck's daughter (Jan Hooks). Sally (Kristen Johnston) falls in love with Don's (Wayne Knight) uniform. Tommy's (Joseph Gordon-Levitt) relationship with August (Shay Astar) ends. Most importantly, Dick's (John Lithgow) relationship with Mary (Jane Curtin) gets deeper. He even shows appreciation for Nina (Simbi Khali). His ego ever so slightly recedes, exposing his emotions and some vulnerability. The world is becoming less alien to the Solomons, and as a result the Solomons are becoming more human.