Thank you. I have a feeling we'll be talk more about that one. We're going to roll right on to "the bachelor." Interesting. Diana perez has some of the behind the scenes. A sneak peek at monday's... See More
Thank you. I have a feeling we'll be talk more about that one. We're going to roll right on to "the bachelor." Interesting. Diana perez has some of the behind the scenes. A sneak peek at monday's final show. Reporter: Walks on the beach. Candle-lit difference. This season of "the bachelor" has been full of romance. On monday night's "the women tell all" special, let's just say -- oh, it just got quiet out here. You gotta hide your crazy. Sx you lied to my face. Reporter: At first, it was every woman against tierra. How long ago did you get encaged? No comment. What do you mean? Is that a secret? I got engaged in january. Reporter: Perhaps the biggest bomb shell of the night. Ashlee claiming sean lowe acted like a frat boy. Saying he didn't love either of the two remaining women? Why did you say you had absolutelyelings for them? I didn't and wouldn't say that. Reporter: We caught up with one of the women who said the moment was worse in person. I couldn't believe she said it. Sean couldn't believe it. Reporter: She said she thinks lowe is a standup guy. Commending him on his so-called virgin bachelor status. The respectable positioning on lived a love and his faithfulness and what ever he's choosing to do is his decision. Reporter: He's narrowed down the field to catherine and lindsay. My heart is torn and leading me in so many different directions. Reporter: Could it be he ends up choosing no one? In this sneak peek, we see another woman in sean's life who might take the wind out his sails. Can you say mama drama? You don't need to be pro posing to either one of them. You have seen 20 minutes. It's just a huge decision. Reporter: No fans have to wait until nond see if everything comes up roses for sean. For "good morning america," diana perez, abc news, new york. Line of the week? Gots to hide your crazy. The season finale at 8:00, 7:00 central on monday. We'll go inside the chia pet next. What a transition.
This transcript has been automatically generated and may not be 100% accurate.