Years in the past, Kong roams the island with a beloved human friend. But when his temper gets the better of him, the consequences could be dire.
A risky plan pays off, leading to a reunion — and new revelations. Stuck in a precarious situation, Charlie and Dog form an uneasy alliance.
On the run from a terrifying predator, the boys glimpse an unbelievable sight. Irene leads her team deeper into the island. Mike makes a confession.
A mysterious castaway appears while Charlie, Mike and their dads search the ocean for mythical creatures, throwing all their plans into chaos.