Episode 2: Sixgills and Submersibles

The stories behind the things that lurk in the deep; leaky subs, sharks and ancient coral

• 31 mins

Episode 3: Cityscapes & Cephalopods

Sir David guides us through the mean streets of the coral metropolis

• 30 mins

Episode 4: Sleeping Giants & Floating Terrors

Voyage into the big blue with Sir David, a pod of talking whales and a floating log

• 30 mins

Episode 5: Sea Cucumbers & Pajama Sharks

Becky and Emily get lost in the green seas and Sir David shares his scripting secrets.

• 25 mins

Episode 6: Cheese & Onion Pufflings

Becky and Emily head for the coast to fish blennies and get enthusiastic about pufflings.

• 33 mins

Episode 7: Do Everything What Is Good

In this final episode, Sir David shares his hopes and fears for the future of our oceans

• 32 mins