. >> reporter: oscar-winning filmmaker alex gibney traveled the world with armstrong.st, to make a feel-good story about the champion. >> his fairy tale just goes on and on. >> reporter: that plan was scrapped as armstrong's life came unglued. but he had armstrong's trust and was there to capture a completely different story as it unfolded. >> this is a guy who is used to winning. and i think you could see the defeat in his physical posture. and also, a real vulnerability, which is very unusual for lance. >> life, for me at the time, was moving fast. look at 2005. i had won seven tours in a row. i was engaged to a beautiful rock star. i was -- but that all just felt normal to me. >> reporter: the film won't be released until november. abc news was given exclusive advanced clips, just as armstrong faces more bad news. a judge has ordered that he must finally testify under oath about exactly how he cheated, as part of a multimillion-dollar civil suit. "the armstrong lie" coming to a big screen and a courtroom. a story far from its final chapter. for "good morning america