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

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

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

ALF dreams he's a famous stand-up comic.

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

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

ALF befriends a young Mexican immigrant.

ALF, forced to hide, plots the removal of Willie's visiting brother Neal.

Neal and his ex-wife Margaret reconcile, but ALF goes a long way to prove her motives are less than honest.

As a newly ordained Melmacian minister, ALF must officiate a ceremony on Earth.

ALF considers the future with the Tanners, who will age faster than the ageless alien.

ALF takes to the park in search of food after his diet fails.

ALF is the only one excited by the idea of Lynn moving in with her boyfriend.

Kate dreams that she and ALF are rival presidential candidates.

ALF enters the art world after he earns praise for a still life made from food.

A morally outraged ALF writes nasty letters to a pollution-producing company.

ALF, jealous of the attention a stray dog is getting, gives the pooch to a mean old woman who claims to be the owner.

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

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 sees Jake's kleptomaniac mother arrives for a visit, and steals a broach from Kate.

ALF, on the outs with the Tanners, is offered a place to stay by Neal.

ALF and Willie scour Death Valley for buried treasure after discovering an old map.