Animated series. Ant believes a ghost sub is at sail somewhere out in the ocean, but when he actually finds it, the truth is even stranger - and much more dangerous. Show more
Discover 11,128,835 listings and 278,136 playable programmes from the BBC
Animated series. Ant believes a ghost sub is at sail somewhere out in the ocean, but when he actually finds it, the truth is even stranger - and much more dangerous. Show more