3rd Rock from the Sun

Sally, Harry and Tommy return with the BIg Giant Head's niece, Janet, who Dick is expected to marry. 

Dick tries to explain the appearance of his 'wife' to a disgusted Mary, who dumps him. Meanwhile, Officer Don arrests Tommy when he confesses to being responsible for the crop circles in the nearby field.

Dr. Albright and Dick wage a prank war with each other; Sally forgets all about Officer Don when she meets a Yoga instructor. Meanwhile, Tommy reluctantly joins a band with some of the school bullies and Harry gets to be their roadie.

Dick meets Dr. Albright's parents and end up getting close with them; Sally decides to move in with Nina when she goes over with Harry and Tommy to help Nina move.

Dick is terrified when it comes to getting the required physical exam for the college; Sally and Tommy babysit Dr. Albright's house on Halloween night in order to protect it from getting tricked.

Dick faces a weight problem after overeating in reaction to his canceled engagement to Mary; Tommy has Harry spy on August when he suspects her of cheating on him.

Dick finally gets called for jury duty; Sally falls for an artist which upsets officer Don; Tommy and Harry help Mary with her pre-verbal experiment for which they aren't allowed to talk for five whole days.

Before they broke up, Mary and Dick reserved tickets for a dance performance by Peter Connelly and now Dick has to find somebody else to go with. Harry goes to night school because all the job offers in the newspaper ask for diplomas.

The sins of the Solomon's are demonstrated in clips from past shows as they discuss the 7 deadly sins at the dinner table.

Mary becomes interested in Tommy when he is able to talk with her about anthropology on an equal level; Sally gets a job; Harry has to go a week without tv.

Dick decides to rehabilitate one of the prisoners in Officer Don's jail when Don takes him to see the 'Tank'; Mary decides to get rid of the dog that Dick gave her when they were dating each other.

Dick becomes a wheel chair activist; Mrs. Dubcek's daughter Vicki decides that she is going to be celibate much to Harry's distress.

Dick decides to date again, so he goes to Sally and Officer Don for advice; Harry and Tommy find a wallet with $200 in it, and decide to give the money back to its owner.

Venusians disguised as gorgeous women plot to plunder Earth of its riches.

The Solomons head to the Super Bowl to save Earth from an alien plot once they discover that the strange women are all Venusians.

Harry's pet from the home planet shows up and takes on human form; Sally pretends to be pregnant when running into several pregnant women at the gynecologist.

Dick discovers casual sex while Sally desperately wants to buy a very expensive car.

Tommy retires and Dick, deciding that Mary wants to be a singer, sets her up to sing at a night club.

Dick wants to get back with Mary, so he's in luck when they find themselves locked in the school library overnight. Meanwhile, Sally, Harry and Tommy search for Dick.

Sally ends up having a fling with Dr. Albright's father; With Tommy's help, Harry becomes a radio Shock Jock.

Dick demands that Sally and Harry go to work, so she signs on as Albright's assistant and he gets a job tending bar. Then Dick decides on a career change: he wants to be cop.

The Solomons start doubting their normalness. When both August and Mary admit they can sometimes be pretty weird, the Solomons decide to become as average as possible.

Dick has a rival for the title of Pendelton's nuttiest professor with the arrival of the mysterious Dr. Liam Neesam. Meanwhile, Sally thinks she's losing her touch with men.

It's time for Don and Sally's first kiss, Harry has his night school exam and the cafeteria lady hates Dick.

Dick decides that the Solomon's are going camping, so with Mary in tow, things go from bad to worse as Dick discovers the law of the jungle.

When Dr. Albright is asked to make a promotional video for the college, Dick becomes involved; After a trip to the dentist, Nina discovers that she has a thing for Harry and Don gives Sally a key to his house.

Dick plans a romantic dinner as an anniversary for him and Mary and everybody is invited. Tommy "comes out" as a gourmet chef. Vicki Dubcek is back and her ex-boyfriend kidnaps Harry.