ALF hosts "The Tonight Show", with Ed McMahon.

ALF befriends a young Mexican immigrant.

ALF comes to Brian's aid when the boy has to play an asparagus in the school play.

ALF hits his head and is convinced he is an insurance salesman. The Tanners try reviewing past events to try and jog his memory.

ALF hosts "The Tonight Show", with Ed McMahon.

In a nightmare, Willie dreams ALF is his school roommate.

The Tanners continue to try and jog ALF's memory, and deal with the police at the same time.

It's Christmastime. 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 goes through a 24-hour period of bizarre behavior.

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

Willie helps homesick ALF arrange a trip to Melmac.

On his 45th birthday, Willie feels unfulfilled, so ALF suggests he go skydiving.

The Tanners let Trevor Ochmonek stay at their house after he has a fight with his wife.

ALF is convinced gangsters are chasing the Tanners' houseguest.

ALF has an allergic reaction to a baby.

ALF and Jake suggest Brian camp out to overcome his fear of the dark.

ALF takes a job selling cosmetics over the phone.

ALF befriends a lonely blind girl.

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

ALF plays matchmaker for Kate's mother.

Willie and ALF both talk to a psychologist.

When Mr. Ochmonek becomes sick during a flight, ALF flies the plane.

Kate goes back to work when a strike sends Willie home.

ALF makes Brian disappear with a mail-order magic kit.

ALF is convinced that a reclusive neighbor is actually Elvis Presley.