Episode 1
A mysterious castaway appears while Charlie, Mike and their dads search the ocean for mythical creatures, throwing all their plans into chaos.
Episode 2
As they adjust to wild new surroundings, Mike and Charlie realize that getting to shore was the easy part. Cap encounters another explorer.
Episode 3
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.
Episode 4
Annie and Dog stage a subterranean rescue operation. Irene gets better acquainted with the island's wildlife. Cap explains an intriguing theory.
Episode 5
A risky plan pays off, leading to a reunion — and new revelations. Stuck in a precarious situation, Charlie and Dog form an uneasy alliance.
Episode 6
Mike's injury catches up with him, while Annie and Irene unpack their complicated histories. Dog and Charlie's journey across the island continues.
Episode 7
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.
Episode 8
Charlie proposes a daring plan to defeat the sea monster and save Mike's life. But it will take all his courage — and Kong's strength — to pull it off.
