Henry talks about the importance of letting people know when they do something great, reuniting with Ron Howard on the Emmys for a 'Happy Days' moment, having to evacuate a hotel when he was in Dublin because of a fire, going to London for the Royal Ascot horserace and meeting Queen Camilla, his new children's book Detective Duck, working on 'American Horror Stories' with his son Max, and not being a fan of scary things. Watch 'Jimmy Kimmel Live!' WEEKNIGHTS 11:35/10:35c on ABC. Stream on Hulu.