One starry night in 1986, the Tanner family get an unexpected houseguest - a furry, four-foot-high Alien Life Form they call ALF, who quickly becomes part of the family.
Gordon Shumway, last known survivor from the planet Melmac, crash-lands his spaceship into the Tanner family's suburban garage. Willie dubs him "ALF", short for Alien Life Form. After convincing a military officer that they are not harboring a space creature, the Tanners decide to take ALF in as a member of the family.
ALF decides to have some fun while a nervous Mrs. Ochmonek baby-sits Brian.
When Lucky the cat disappears, everyone pins the blame on ALF.
ALF calls the president to address his concerns about nuclear weapons.
ALF takes a job selling cosmetics over the phone.
ALF befriends a blind woman.
Willie helps homesick ALF contact some other survivors from Melmac.
ALF has a crush on Lynn, so he makes a music video to impress her.
On his 45th birthday, Willie feels unfulfilled, so ALF suggests he go skydiving.
ALF sells parts of his spaceship to buy Lynn a Ferrari.
Willie loses his temper with ALF during a family camping trip.
It's Christmas time. Unfortunately ALF chops the Christmas tree into firewood before anyone notices. The Tanners then have two tasks: to teach ALF all about Christmas and find a new Christmas tree.
ALF heads for the garage when Kate's mother pays a visit.
ALF submits scripts to his favorite soap opera.
ALF plays matchmaker for Kate's mother.
ALF hits his head and is convinced he is an insurance salesman. The Tanners try reviewing past events to try and jog his memory.
The Tanners continue to try and jog ALF's memory, and deal with the police at the same time.
ALF befriends a young Mexican immigrant.
ALF goes through a 24-hour period of bizarre behavior.
Willie and ALF talk to a therapist.
ALF thinks he witnessed a murder at a neighbor's house.
ALF comes to Brian's aid when the boy has to play an asparagus in the school play.
ALF develops a gambling habit and winds up in trouble with his bookie.
Brian causes trouble at school when he repeats some of ALF's intergalactic knowledge.
A cockroach from ALF's spaceship grows to gigantic proportions.
When Mr. Ochmonek becomes sick during a flight, ALF flies the plane.
ALF is relocated to the family garage as a result of his mischievous behavior.
ALF dreams he visits "Gilligan's Island", with castaways Gilligan, the Skipper, the Professor and Mary Ann.
Mrs. Ochmonek thinks she's gone crazy when she spots ALF in the backyard. She takes her story to a TV-show and is devastated when nobody believes her. ALF decides to make things right by talking to her again.
ALF joins a monastery after learning that his parents were married before he was born -- a disgrace on the planet Melmac.
The Tanners become a TV-ratings family and ALF decides to rig the system so that his favorite program becomes a hit.
ALF becomes the star attraction at the Tanners' Halloween party.
ALF helps Lynn boost her self-confidence by enrolling her in a beauty pageant.
ALF gets a severe case of hiccups after being excluded from Dorothy and Whizzer's wedding party. According to Melmacian medicine there are two cures: fresh cat juice and something so disgusting that ALF does not want to mention it. In order to save the wedding the Tanners try to give him fake cat juice.
Willie and ALF hop on board a freight train in search of adventure.
ALF and the Tanner kids give Willie and Kate a second honeymoon.
Kate dreams that she and ALF are rival presidential candidates.
The Tanners decide to spend Christmas in a cabin in the woods when Alf suddenly gets lost.
ALF is still in the hospital with Tiffany and Mr. Foley. He convinces Tiffany to help him get back to the Tanners, but changes his mind when he hears about Tiffany's condition.
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.
When a football shatters the Ochmoneks' picture window, ALF gets the blame and he demands his day in "Tanner Family Court".
A visit from Willie's Uncle Albert surprises the Tanners and causes ALF great distress.
A series of robberies in the neighborhood prompts ALF to want to help with Neighborhood Watch, when Willie is voted block captain.
Neighborhood Watch volunteers quit as the robberies continue. ALF decides to take direct action, causing chaos at the Ochmoneks' house.
Jody loses her apartment when the building becomes a condominium, so ALF tries to help her "adjust" to a new home.
A stray dog makes ALF jealous, so he gives her to the first (and obviously wrong) person who responds to a "found dog" poster.
It's the Tanners who learn a lesson while trying to passively resist a belligerent father and son.
The Tanners may need to sell their house because Willie has been promoted to a supervisory position in San Deigo.
ALF tries ventriloquism. The attitude of his new "friend", Paul the dummy, turns contentious - then things get weird.
ALF assists Kate's alcoholic friend realize that she needs help.
A dejected Gordon (A.L.F.) wants to expose his existence to the world. Willie has an idea to help him through the crisis.
ALF discovers that he is responsible for Lynn not being able to attend Amherst College, and makes another attempt to find employment.
Lynn breaks up with her boyfriend and becomes depressed. ALF gets a self-help book of love for her and asks her to confide in him. When Lynn reveals she likes a guy, ALF decides to help her get his attention literally by the book. Uh-oh.
With the help of his guardian angle, ALF finds out what life would be like for the Tanners if they had never met him.
Jake pops by because Raquel and Trevor are fighting. This time she throws him out. Kate offers to let him stay in their house. Trevor soon becomes a nuisance, so ALF decides to solve the problem.
"And heeeere's Alfie!" ALF hosts The Tonight Show Starring Johnny Carson instead ofJohnny Carson. Is it a dream? Is it an "What if...?" story?
ALF fills in forJohnny Carson on The Tonight Show Starring Johnny Carson, alienating regulars and guests alike.
Lynn has barely turned 18 and she's already moved on from boys her own age to - an older man. Lynn is forbidden from seeing Eddie again, and seems to move on with a new boy named Randy.
ALF already ate the Thanksgiving turkey - raw. Willie fails to find a new one, so Raquel invites the Tanners over. A storm arrives as does a homeless person, who ALF helps by leaving food and clothes for him.
Pete has called the Alien Task Force. He has been told to keep ALF occupied until Sergeant Fox and his men arrive to capture him. Dead or alive. Will Pete sell ALF out after he's talked with him for a while? Will he?
The social workers, which includes Willie, go on a strike that may last a while. Kate decides to take a job in order to bring money into the house. ALF is concerned about the repercussions. Well, about those that will affect him.
When Kate and Willie stop ALF's rummage in the attic, they find Willie's movie of Woodstock and want to watch it. When Willie tells ALF what he was like in college, ALF points out that Willie has turned from an idealist to a sell-out.
ALF reads a tabloid article about a couple in Barstow who live with a space alien, who sounds to ALF like his cousin Blinky. ALF persuades Willie to drive him there and to go investigate the couple. *Big* trouble ensues.
ALF gets interested in magic tricks, so Willie gives his old magic trick set to him. When ALF discovers he is no good at magic tricks even though he has the desire, he naturally concludes that he needs proper magician's tools.
ALF has ordered a non-refundable satellite dish. Willie carpools with a talkative guy Jim, who manipulates Willie into inviting him for dinner. There's more to Jim than meets the eye.
Willie realizes his car repairman is scamming him and decides to do something about it. While Willie refuses to admit that The System Has Failed, ALF and Jake set out on their own to acquire some hard evidence against the conman.
ALF has started to believe in one of the biggest urban legends - that Elvis is alive. When Raquel describes their new neighbor, ALF is convinced the man is Elvis. Since nobody believes ALF, he decides to venture into the man's house.
Now that Kate is pregnant and the focus is on her unborn child, ALF feels neglected. Raquel throws a surprise baby shower, to which Andrea from the neighborhood brings her baby. ALF, meet baby. Baby, meet ALF.
An anonymous caller demands $3,000 from ALF - otherwise he will turn ALF to the authorities. On the second call, the extortionist adds that the Tanners will go to jail for harboring an alien. ALF decides to take action.
Jake has a *huge* crush on a girl called Laura, but freezes every time he tries to approach or contact her. ALF offers to write a letter in Jake's name to Laura. Poor Jake still hasn't learned *not* to enlist ALF to help.
ALF accidentally burns Brian's History book in the oven. He then insists that he's now under a Melmacian curse: 14 years of increasing bad luck. First, the food on the electric stove bursts into flames. Then other things start to happen.
Lynn ends up with two dates for a dance through ALF's mishandled phone message
ALF wants a pet, so Willie decides to buy him an ant farm. ALF doesn't appreciate his new pets at first, but it will change.
The start date of Brian's first overnight boy scout camp is almost at hand. But he is afraid of the dark. While Willie reminisces about his own boy scout days, ALF decides to help Brian.
Jake stops by to tell that her mother has come to the Ochmoneks. She comes to thank the Tanners and Racquel invites her to dinner at the Tanners. Jake, however, starts acting weirdly, and ALF decides to find out why.
The Tanners are going to a wedding and ALF is left home alone, Willie having rented him silent movies. ALF gets inspired to write his own silent movie. In which he also stars. He then imagines what it would be like.
ALF experiences his first earthquake (there were no melmacquakes). When he is told that quakes can be a lot bigger, ALF starts to live in fear of the coming of a big one, even though Willie assures him they are prepared.
ALF is preparing himself for the coming of Kate's baby because, in his opinion, Willie isn't prepared enough. Can ALF be persuaded to accept that Dick Van Dyke show is not an educational program that should be followed as an example?
When Kate has to unexpectedly go in to work, she has no choice but to leave ALF in charge of the baby. While babysitting, ALF faces a huge dilemma when he goes outside and finds the baby missing.
After ALF invites a tabloid crew over to the Tanner household for an interview, they take a few photos before Willie asks them to leave.
After ALF watches "Crimestoppers" and sees a guy resembling Willie who is wanted for polygamy, he tries to hide Willie. When the FBI takes Willie in for question following an anonymous tip, everyone assumes that ALF called it in.
Alf thinks that he has found a great new game when he accesses Willie's stock market account.
With ALF feeling bored and useless, Larry advises the Tanners to ask for his opinion on their problems and make him feel more important.
When ALF develops an addiction to eating cotton balls, Willie and Kate decide to invite a support group over to the house and have Willie convey ALF's feelings to the group.
ALF gets upset when Willie's emotionally depressed kid brother spends lots of time at the house, leaving him to take quarters in the garage.
With ALF upset over Willie's brother frequently coming to the house, Willie decides that the best thing to do is finally introduce his brother to ALF.
When the Tanners' cat Lucky dies, ALF decides to answer a giveaway ad in the paper for kittens so that he can eat them, only to find out that he likes having them as pets.
ALF gets upset when his anniversary party is interrupted by Kate's mother who flies in after a fight with her husband.
Following a fight with Willie, ALF decides to move in with Neal. It doesn't take long for him to wear out his welcome.
When ALF gets really sick, Willie and Kate consider taking him to a doctor.
Willie and Kate miss the days when they would visit friends' dinner parties and then reciprocate. They decide to host a luau with a roasted pig.
Alf thinks he's a stand-up comedian. NBC offers him a show, he's famous and rich and everybody loves him. In his dream he sends Willie and Kate to the attic, where they usually send him.
When Neal decides to drive to Las Vegas and remarry his ex-wife, ALF sneaks into the back of their car in a effort to try and talk Neal out of it.
ALF develops an interest in art after one of Lynn's professors compliments one of his paintings.
In order to become a minister, ALF must preside over a ceremony. So he suggests that Willie and Kate renew their vows on the 22nd anniversary.
Realizing he will outlive the Tanners, ALF daydreams about the future, after the children have grown up and moved out.
With Willie and Kate going out for the night, ALF sneaks into a retirement home in the hopes of meeting a once-famous actress, whose glory days are far behind her.
When Willie finds a map from one of his dead relatives, he and ALF trek to Death Valley to try and find a possible treasure. Things don't go as planned when ALF drinks all the water beforehand and then gets too hot from the sun.
When ALF finds out that a local corporation is using CFCs that pollute the environment, he writes several letters of protest, all under fake names.
Fearing that he might "internally blow up" due to his high calorie consumption, ALF decides to cut meat from his diet. However after a few days, ALF turns into a "wolf" and steals the Tanner's car in an effort to hunt for food.
Lynn and Kate have a disagreement after Lynn plans to go away for a vacation weekend with her boyfriend. Tensions escalate further when Lynn brings up the idea of moving in together with Robert.
When ALF picks up a signal on the Tanner's radio, he realizes that it is someone trying to get in touch with him through Melmacian code.
Complete episode guide for ALF with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
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