A group of aliens are sent to Earth, disguised as a human family, to experience and report life on the third planet from the sun.
Cast:John Lithgow , Jane Curtin , Kristen Johnston , French Stewart , Joseph Gordon-Levitt , Simbi Kali , Elmarie Wendel , Wayne Knight , Ian Lithgow , David DeLuise , Danielle Nicolet , Chris Hogan , Ileen Getz , Shay Astar , Larisa Oleynik , Ron West , Jan Hooks , Chad Einbinder
Sally, Harry and Tommy experience Dick's replacement is very aggravating while they don't know Dick is still trapped in the basement.
The Solomons have freed Dick and now he's after his replacement.
Dick feels he has to tell Mary he's an alien. They all go to a sci-fi convention.
Sally and Mr. Randall are having a conflict and August tests Tommy's loyalty to her.
Mary doesn't want everybody to know she and Dick have a relationship, which Dick doesn't understand. Sally gets a fine, but officer Don fixes it.
Harry runs for city council after he's mistaken for an activist.
It's homecoming weekend and everybody is excited about the game, except for Dick.
Against Tommy's will, Dick enlists him in a school for gifted students. Sally meets a special guy in a different kind of bar.
Mrs. Dubcek asks the Solomons to babysit her grandson. Dick takes care of Mary's fish when she's away.
It's Thanksgiving. Unfortunately, the Solomons don't have a clue what Thanksgiving is. Mrs. Dubcek and her daughter Vicky help them.
Dick quits his job at the university and Harry loses his memory.
Dick directs a school play Tommy wants to be in, but makes him the prop guy.
Dick sprains his ankle while he's doing Mary a favor and she feels guilty.
Sally meets Michel, a cute French guy who asks her to marry him.
Dick has run over a chipmunk and he starts to ban everything that's made of animals.
Harry teaches Dick how to become a real man so he won't be whipped by Mary anymore.
With Dick's help, Mary gets the opportunity to get in with Rutherford's high society.
Dick has to take sensitivity classes and Harry's fling Vicki is back.
When an offended Nina quits as Dick's secretary, he gives Harry the job.
Sally stands up to Mark Hamill who unknowingly has taken the Solomons place in a restaurant and becomes a local hero.
A smart and shy librarian at school is attracted to Dick.
Dick experiences his first nightmare and the Solomons think he's gone mad.
Dick and Sally are sober again and are informed they are all going back to the home planet for emergency maintenance.