As the crew from 118 arrives at a call, they find a man whose right hand seems to have taken control of itself -- a fact that Buck (Oliver Stark) and Eddie (Ryan Guzman) learn, well, firsthand. From '9-1-1' season 7, episode 5, 'You Don't Know Me.' Watch '9-1-1' THURSDAYS 8/7c on ABC. Stream on Hulu.