Examines the devastating effect that overfishing has had on the world's fish populations and argues that drastic action must be taken to reverse these trends. Examines the imminent extinction of bluefin tuna, brought on by increasing western demand for sushi; the impact on marine life resulting in huge overpopulation of jellyfish; and the profound implications of a future world with no fish that would bring certain mass starvation.

This topical debate series based on Any Questions? typically features politicians from at least the three major political parties as well as other public figures who answer pre-selected questions put to them by a carefully selected audience.