Lucille Ball and Desi Arnaz live slaphappily ever after as newlyweds honeymooning in the Long, Long Trailer, breezily directed by Vincente Minnelli. They quickly find that the interior of a moving trailer is ideal for tossing a Caesar salad - and everything else. That backing up their 40-foot, three-ton home is only a little more difficult than threading a needle wearing boxing gloves. And that trailer-park folks are neighborly sorts who turn the lovebirds' rig into the wrong, wrong trailer by crashing the wedding night.