Monsters of the Deep: 20,000 Leagues Under the Sea

Channel 5 +1

9:00 PM to 10:00 PM

Sunday 29 December

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Part two of two. A look at the world of the deep-sea giants that live at depths over 1,000 metres, including the giant squid and the massive extinct shark species megalodon. Experts reveal rare behaviours and the incredible size of these creatures, with Steve Backshall meeting Dr Nathan Robinson to uncover the giant squid's mysteries. Also featured is the cookiecutter shark, an abyssal giant that grow 700 times larger than its shallow-water equivalents, as well as new discoveries like Ichthyotitan