Executive producers weigh in on the “great debate” about the Superman tights and cape. Viewers always knew the CW’s Smallville series would end with Clark Kent’s transformation into Superman. But seeing series star Tom Welling in the full Superman suit wasn’t what the series was ultimately about. Executive producers Brian Peterson and Kelly Souders spent 10 seasons supporting the “No Tights, No Flight” philosophy that ultimately fell by the wayside in Smallville’s two-hour May 13 series finale.