ALF breaks Kate's precious $1,000 painting and gets confined in the garage. ALF can't handle a single night there and makes a bargain with Kate: unless he can behave 7 days in the house, ALF has to move into the garage permanently.
ALF has taken a liking to watching Gilligan's Island (1964). He dresses accordingly and has coconut drinks. He's bored at the Tanners' house and takes things one step too far towards Gilligan's Island (1964).
In one of those moments, when ALF lets his mind wander, he unintentionally walks into Mrs. Ochmonek's sight and greets her. Cue Mrs. Ochmonek panicking and deciding to warn the neighborhood about the "space creature".
Lynn is researching the Tanner Family Tree for a school project. Kate suggests ALF do the the Shumway Family Tree, hoping it will occupy him for some time. However, digging the past may not be a good thing.
The Tanners get the chance to participate in a new TV ratings system. With clever arguments, ALF gets Kate to let him use the system. After learning his favorite programs might get canceled, ALF decides to tweak the numbers a bit.
Halloween is approaching and ALF wants to go trick-or-treating. Kate, of course, objects, but ALF persists. He argues that he has a natural costume and tries offering Willie a deal he can't refuse... Lynn presents Lizard to his parents.
ALF learns the concept of Earthly beauty pageant. Since Lynn, having been dumped, is suffering from low self-esteem, ALF enters her in Miss Southland pageant to prove she is pretty and uses the prizes to lure Lynn to participate.
Kate's mother has decided to get married in the Tanners' house. Unfortunately, ALF develops a Melmacian Hiccup, that keeps getting louder and louder, threatening to draw everyone's attention within a 100 meters (give or take).
ALF reminisces his "adventures" on Melmac. Willie reveals that when he was 17, he hopped on trains and crossed the whole country. ALF gets excited about the idea and talks Willie into taking him to the rail yard.
Willie and Kate no longer share activities, because one of them has to always stay at home keeping eye on ALF. ALF concludes that they are about to break up and in order to prevent that, decides to add romance to their life.
ALF is frustrated because he can't vote in the presidential election. He watches a televised debate with Kate and offers his "better" ideas on how to solve the world's problems. This gives Kate some weird nightmares.
Mr. Ochmonek's nephew Jake comes to live with the Ochmoneks. The Ochmoneks tell the Tanners that Jake is a problem kid and ask their advice on how to deal with him. ALF can't resist investigating Jake's persona.