Bethenny and Carole continuing to go shot for shot about the dissolution of their friendship. The women relive their stomach-churning trip to Colombia. Carole revisits the highs and lows of her season, and Tinsley takes issue with Carole's protests about their relationship. Sonja discusses a new chapter in her life and delves back into her issues with some of the ladies. The women end things by sharing their biggest regrets of the season.