Host Howie Mandel on "Flash"; Concept Mandel and hundreds of strangers will help special guests plan extraordinary surprises for friends, family, family, or colleagues. These uninformed participants will be shocked and shocked by the surprising performances, which will bring wonderful inspirations, including the husband learning that his wife is pregnant, the applicant discovering that she has obtained the job, and proposing marriage. Throughout the entire hour, guests will prepare for the event - rehearse their daily activities, refine their speeches - and receive guidance from host Mandel. Then, on the day of the large-scale event, with the rolling of the hidden camera, the detailed plan was implemented.