Prime time television refers to the hours of the evening when television networks air their most important and popular programs. Some other synonyms for prime time television may include peak time television, highest-rated television, critical viewing period, or evening television. This time slot is highly coveted by networks and made up of shows that are expected to draw in the largest audience. These programs may range from sitcoms and talk shows to dramas and reality shows. Networks often promote and advertise their prime time lineups heavily, knowing that it can make or break the success of a show. Overall, prime time television is a crucial part of network programming that attracts the most viewers and generates the largest revenue.