By the time we reach Season 4, the pod dynamics have shifted dramatically. The original trio (Sirena, Lyla, and Nixie) have long since moved on. The final season focuses on the :
: After years of hiding his identity, Zac decides to finally tell his adoptive parents the truth about his merman origins and his biological family.
decides it is time to tell his adoptive parents about his biological origins and that he is a merman.
reunites with her children but decides to stay in hiding for a while to recover.
It is revealed that Nerissa was transformed into the dragon by a rebel mermaid years ago. This revelation turns the tide of the episode, as the group realizes they must save the dragon rather than destroy it.
: Mimmi finally reveals her true nature to her boyfriend, Chris , mirroring the iconic reveals from previous seasons.