ALF and the Tanners prepare to spend Christmas in a cabin. When the owner comes to visit them, ALF accidently jumps into his trunk and he is taken to a hospital and given away as a Christmas gift to a little girl.

ALF befriends the Ochmoneks' belligerent nephew, Jake.

ALF decides to have some fun while a nervous Mrs. Ochmonek baby-sits Brian.

ALF thinks he witnessed a murder at a neighbor's house.

ALF is relocated to the family garage as a result of his mischievous behavior.

Mrs. Ochmonek thinks she's gone crazy when she spots ALF in the backyard.

ALF becomes the star attraction at the Tanners' Halloween party.

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.

A cockroach from outer space invades the Tanner home.

Willie and ALF hop on board a freight train in search of adventure.

ALF moves in with his blind friend, Jody, and learns some important lessons about life without sight.

ALF fantasizes that he reveals his existence to the world and serves as substitute host on David Letterman's show.

ALF gets a severe case of hiccups after being excluded from Dorothy and Whizzer's wedding party.

It's up to Willie to save ALF from the SWAT team surrounding the Ochomonek house, in which ALF had been chasing a prowler.

ALF has a crush on Lynn, so he makes a music video to impress her.

ALF heads for the garage when Kate's mother pays a visit.

ALF goes through a 24-hour period of bizarre behavior.

Willie and ALF both talk to a psychologist.

ALF believes that he scared Willie's uncle to death.

ALF lends a hand with the neighborhood block patrol and ends up confronting a prowler in the Ochmoneks' house.

When Lucky the cat disappears, everyone pins the blame on ALF.

ALF calls the president to address his concerns about nuclear weapons.

ALF sells parts of his spaceship to buy Lynn a Ferrari.

Willie loses his temper with ALF during a family camping trip.

Brian causes trouble at school when he repeats some of ALF's intergalactic knowledge.