In the final episode, Becky and Emily wrap up with wisdom from the Blue Planet team and hear the thoughts of children who are learning about protecting the environment. Marine biologist and acoustics expert, Steve Simpson, talks about the intricacy of recording the delicate sounds of the...

Becky and Emily get lost in the underwater kelp forests of the green seas and find pajama sharks. They praise the eating technique of the sea cucumber and its ability to stuff food in its mouth. Becky and Emily take an in depth look at the process of writing the script ready for Sir David to...

Becky and Emily voyage into the big blue with 28,000 bath toys, a pod of talking sperm whales and a floating log. They hear from the episode producer John Ruthven who talks about the challenge of finding your subject to film in the wide open ocean. He unlocks the code that whales use to...