Watch Ryan and Tatum: The O'Neals

In the season finale, Ryan and Tatum get caught in a standoff due to the rapidly approaching publication of Tatum's book.

Ryan and Tatum seem to moving in the right direction until Ryan's mounting concern over Tatum's new book tears things apart.

When Ryan invites Tatum to Washington, D.C. to take part in a Farrah Fawcett induction ceremony at the Smithsonian, Tatum is overcome with feelings of abandonment from when Ryan chose his love for Farrah over his children.

As Tatum struggles with Ryan's insensitivity to her sobriety, Ryan's therapist suggests joint therapy for him and Tatum.

Ryan and Tatum attend a screening of 'Paper Moon' at The Palm Springs Film Festival. For Tatum, it is an opportunity to connect with her father and relive memories of her mother, who passed away in Palm Springs 15 years ago.

Ryan and Tatum enter individual therapy - Ryan starts starts to heal whereas Tatum is irate when bad memories surface.

On screen, they were Hollywood's inseparable father and daughter duo, but off-screen was a different story. Get an inside look into the O'Neal family with this brand new documentary.