When the Nautilus is spotted by Company troopers, Nemo must inspire the crew to work together so they can reach the open seas before they’re run down. An encounter with whalers slows them down and just as they are about to reach the open sea and freedom, they are cut off by the formidable Dreadnought - and a game of depth-bomb cat and mouse ensues.

The show’s own verdict is on its page.