3rd Rock from the Sun The Big Giant Head Returns Again

In the last episode of series five, Sally tells Tommy that she ended his relationship with Alissa for him. Dick struggles to deal with the news that the Big Giant Head is his father. Vicki pretends to be friendly to Janice although she is really furious that Harry has a new girlfriend. The Big Giant Head tells Dick he must break up with Mary, so Dick decides he has no option but to run away from home., While Dick spends some quality time with the Big Giant Head, who orders him to break off his relationship with Mary., While Dick spends some quality time with the Big Giant Head (William Shatner), who orders him to break off his relationship with Mary, Tommy serves as valedictorian for his graduating class. Alissa: Larisa Oleynik. Janice: Chyna. Dick: John Lithgow. Mary: Jane Curtin. Tommy: Joseph Gordon-Levitt., In the last episode of series five, Sally tells Tommy that she ended his relationship with Alissa for him. Dick struggles to deal with the news that the Big Giant Head (guest star William Shatner) is his father. Vicki pretends to be friendly to Janice although she is really furious that Harry has a new girlfriend. The Big Giant Head tells Dick he must break up with Mary, so Dick decides he has no option but to run away from home.