 The producers had a very difficult time persuading  Victoria Principal (qv) to agree to an interview. She and Andy  Gibb were romantically involved off and on for eight years. But  since his death she had never agreed to an interview about their  relationship. The first time the producers contacted her, she flatly  refused. A week later, her agent called to say she would talk very  briefly about Andy but nothing about his drug abuse. The following  week, the agent called saying that she would not do the interview  after all. The producers were devastated because they knew episode  would not be good without Principals involvement. As a last resort,  they sent a two