Critics score:
Reviews provided by RottenTomatoes
Jay Cocks, TIME Magazine: What is left, besides a lot of pretty dolphin footage, is some bad intercollegiate-revue satire, a shadow of Sea Hunt, and a calculated sentimentality that evokes memories of Lassie Come Home. Read more
Vincent Canby, New York Times: Some of the cloak-and-dagger stuff that follows is so awkwardly staged that it's difficult to know whether the simplicity was designed for youngsters or as parody. Read more
Roger Ebert, Chicago Sun-Times: Tries so hard not to be a conventional science-fiction thriller that it fails, alas, to be anything. Read more