Deep, The series 4

In season four of The Deep, after searching for generations, the Nekton family have finally found the fabled city of Lemuria, unlocking secrets and tantalising mysteries. But the greatest discovery they’ve made is also the most shocking: proof that Ant and Fontaine’s grandparents made it to Lemuria! The Nektons had given up on ever seeing their loved ones again – but now they have hope. Now their most important search begins. While encountering more legends and myths, pirates and leviathans, the Nektons will explore The Deep…in search of their family.