Question: where does the tv show reba take place
Answer: The show is set in the suburbs of Houston , Texas , and stars Reba McEntire as a wisecracking single mother Reba Nell Hart , whose dentist ex-husband Brock ( Christopher Rich ) has left her to marry young , ditzy Barbra Jean ( Melissa Peterman ) his dental hygienist after an affair with her , when it is revealed in the pilot episode that Barbra Jean is pregnant .