"Dallas" debuted on April 2, 1978, as a five-part miniseries on CBS. Although the miniseries was created as the series' pilot, by the time it was aired, neither the producers nor the network were hopeful that it would continue beyond these five episodes and initially had no plans for expansion. It was shown in a late Sunday night time-slot, known for low ratings. However, the miniseries proved popular enough to be turned into a regular series and broadcast for 13 full seasons from September 23, 1978, to May 3, 1991. The five pilot episodes, originally considered a miniseries, are now referred to as season 1—making fourteen seasons in total.