captain & tennille.ay from the stage, the relationship between toni and darrell dragon was complicated and led to toni filing for divorce after nearly 40 years of marriage. for the first time, toni is revealing details about her life in her book, "toni tennille, a memo memoir." good to you here. >> great to meet you. >> so much excitement in this studio because so many of us grew up with you, loved you, admired you, and so many people felt invested in this couple, captain & tennille. >> i know. i know. that's one of the reasons why it took me very, very long to make up my mind, what i was going to do. i spent the last eight years of my life in prescott, arizona, keeping my head down. not doing interviews. trying to figure out where i was going with this. then when i finally made up my mind, it was hard. i thought about all the fans and what they would think. but with the help of my family and great women friends and a wonderful therapist, i was finally able to make the decision. i had to. >> let's go bac

. >> then the untold story of captain and tennille. >> people thought we had this fairytale relationship. >> their secret torment.

. >> then, the untold story of captain and tennille. >> people thought we had this fairy