'Stranger Things' Star Caleb McLaughlin Can't Promise a 'Resolution' in Final Season (Exclusive)

Caleb McLaughlin chats with ET's Nischelle Turner at the Los Angeles premiere of 'The Book of Clarence,' in theaters on Jan. 12. The actor dishes about the film and gushes over JAY-Z being producer on the project. Caleb also talks about his latest project in the works, 'Stranger Things' season 5. He teases the final season, but doesn't share where his character Lucas' storyline will go.