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 deliver in his heartwarming tones. They talk to Sir David about how he works his magic to make the words come to life and tell the story of the Blue Planet II.