Watch the Knight and Day preview. June Havens (Diaz) finds her everyday life tangled with that of a secret agent (Cruise) who has realized he isn't supposed to survive his latest mission. As their campaign to stay alive stretches across the globe, they soon learn that all they can count on is each other. Watch the Knight and Day preview in 480p or 720p streaming online. Break.com delivers official movie trailers previews, teasers and clips in HD for all the hottest coming soon & theatrical releases including the Action Adventure Knight and Day.