On present evidence, Richard O'Brien, of Rocky Horror Show fame, seems a gifted mid-Atlantic parodist who has run out of material. T Zee, his last show, sent up Tarzan to no apparent purpose, but at least it did have a subject. By contrast, I would be hard put to say what Disaster is about.

As usual, it takes place on an exotically isolated location; this time a pair of Caribbean islands menaced by the impending collision of two giant icebergs, and the action consists of a race against time to blow them up with a consignment of radioactive waste which the Americans have thoughtfully dumped within easy reach.

The least you would expect from that is a climax in which the icebergs do or do not collide. But Mr O'Brien leaves that bit out, and winds things up with the sight of a lady television personality … escaping in...