Actor @jamieflatters said he was “in crisis” after being told he may be too old to book a role in “Avatar: The Way of Water” at the age of sixteen. He landed the role, and joined the star-studded cast as“ Neteyam,” the youngest son of leads “Jake Sully” and “Neytiri.” “Impact” by @nightline takes a behind-the-scenes look at the making of the long-awaited “Avatar” sequel. #IMPACTonHulu is streaming now, only on @hulu. #nowstreaming #avatarthewayofwater #avatar