What does the bottom of the ocean look like? What animals can exist down there, with no sunlight? And how deep is the ocean, really? Hannah is joined by the submarine pilot John Hocevar.

And you'll meet Quack Pirihi, who explains why they can't be Maōri without the oceans.

Follow us on IG, X and TikTok for bonus content and incredible submarine footage: @oceanspod.

If you want to know more about the oceans and how to protect them, come and join us here: https://act.gp/life-under-water.