Overview: Recalling the prime-time soaps of the 1970s and '80s, including "Dallas," "Dynasty" and "Knots Landing," as well as their antecedent "Peyton Place" (1964-69). Included: details about the "Who Shot J.R.?" episode of "Dallas"; stories about the personalities who helped shape the shows. Among the notables interviewed: Patrick Duffy, Linda Gray and Larry Hagman of "Dallas"; Diahann Carroll, Joan Collins, Linda Evans of "Dynasty"; Michele Lee, Donna Mills and Joan Van Ark of "Knots Landing.