Married at First Sight Chicago Episode 21 Where Are They Now: It’s Vow or Never ( Air Date 2025-03-25 ) Genre Reality category. Overview "Over a year has passed since Decision Day, and the Chicago cast reflects on how their lives have changed. One ex-husband seeks legal advice, while a former wife realizes it's time to make amends. And as they confront their pasts and look ahead to the future, everyone comes together for a special ceremony.".