Seasons & episodes
S4 · E1Baby, Come Back 1989-09-18 · 23 min
ALF earns the right to baby-sit Eric, but almost blows it when the child disappears.
S4 · E2Lies 1989-09-25 · 23 min
Tabloid photographers accidentally photograph ALF, so the Tanners have to get the film back.
S4 · E3Wanted: Dead or Alive 1989-10-02 · 23 min
ALF shields Willie when a criminal resembling him is profiled on a crime-stopper TV show, but Trevor turns him in.
S4 · E4We're in the Money 1989-10-09 · 23 min
Using Willie's home computer, ALF discovers and later becomes addicted to the art of making stock-market deals.
S4 · E5Mind Games 1989-10-16 · 23 min
After a visit from a psychologist, ALF subjects the Tanners to a barrage of unwanted psychoanalysis.
S4 · E6Hooked on a Feeling 1989-10-23 · 23 min
Willie, in an effort to curb ALF's cotton addiction, holds a support group meeting in his living room.
S4 · E7He Ain't Heavy, He's Willie's Brother 1989-10-30 · 23 min
ALF, forced to hide, plots the removal of Willie's visiting brother Neal.
S4 · E8The First Time Ever I Saw Your Face 1989-11-06 · 23 min
ALF gets peeved about having to remain hidden while Willie's brother extends his visit.
S4 · E9Live and Let Die 1989-11-13 · 23 min
ALF's attitude toward cats changes after his first encounter with kittens.
S4 · E10Break Up to Make Up 1989-11-20 · 23 min
Whizzer comes face-to-face with ALF when he searches for Dorothy at the Tanners.
S4 · E11Happy Together 1989-11-27 · 23 min
ALF, on the outs with the Tanners, is offered a place to stay by Neal.
S4 · E12Fever 1989-12-04 · 23 min
The Tanners pamper ALF after he catches his first Earth cold.
S4 · E13It's My Party 1989-12-11 · 23 min
ALF is relegated once again to the attic when the Tanners throw a Hawaiian luau.
S4 · E14Make 'em Laugh 1990-01-08 · 23 min
ALF dreams he's a famous stand-up comic.
S4 · E15Love on the Rocks 1990-01-15 · 23 min
Neal and his ex-wife Margaret reconcile, but ALF goes a long way to prove her motives are less than honest.
S4 · E16True Colors 1990-01-22 · 23 min
ALF enters the art world after he earns praise for a still life made from food.
S4 · E17Gimme That Old Time Religion 1990-01-29 · 23 min
As a newly ordained Melmacian minister, ALF must officiate a ceremony on Earth.
S4 · E18Future's So Bright, I Gotta Wear Shades 1990-02-05 · 23 min
ALF considers the future with the Tanners, who will age faster than the ageless alien.
S4 · E19When I'm Sixty-Four 1990-02-12 · 23 min
ALF encounters youth-seeking senior citizens when he's discovered sneaking into a retirement home.
S4 · E20Mr. Sandman 1990-02-19 · 23 min
ALF and Willie scour Death Valley for buried treasure after discovering an old map.
S4 · E21Stayin' Alive 1990-02-26 · 23 min
A morally outraged ALF writes nasty letters to a pollution-producing company.
S4 · E22Hungry Like a Wolf 1990-03-03 · 23 min
ALF takes to the park in search of food after his diet fails.
S4 · E23I Gotta Be Me 1990-03-10 · 23 min
ALF is the only one excited by the idea of Lynn moving in with her boyfriend.
S4 · E24Consider Me Gone 1990-03-24 · 23 min
It's a sad day in the Tanner household as ALF announces he's leaving Earth to settle on another planet with Skip and Rhonda, but ALF is captured by the Alien Task Force before he can get to their spaceship.