TV REVIEWS; 'TOGETHER WE STAND' AND 'ALF'
NYTimes - over 30 years
IN a television world where, for the moment, ''The Cosby Show'' solidly tops the ratings, the rush to churn out reasonable facsimiles is almost delightfully shameless. It's the season of family sitcoms, featuring hordes of adorable little ones. One of the better, simply because it's kind of cute and a bit offbeat, is ''ALF,'' making its debut on