AllMovie

Oliver (Eddie Albert) and Lisa (Eva Gabor) are surprised to find a basement underneath their farm. Actually, it is less a basement and more a cave -- which promptly collapses, leaving the Douglases trapped beneath the ground. After several misbegotten escape efforts, Oliver and Lisa attempt to issue an SOS to the outside world -- but this requires them to place their trust in the farm's notoriously unreliable plumbing system!