Crystal and her ex-husband Christian are in a contentious custody battle with a 12-year-old daughter and 8-year-old son caught in the middle. Crystal accuses Christian of being violent toward her, kidnapping the children and using drugs – accusations he denies. Christian, on the other hand, accuses Crystal of being vindictive, brainwashing their daughter into believing he is on drugs and withholding his children from him. Watch their stories here and here.

TELL DR. PHIL YOUR STORY: Caught in the middle of a family feud?

On Tuesday’s episode of Dr. Phil, Dr. Phil speaks with the couple and their 12-year-old daughter and offers advice for how they can all move forward peacefully.

WATCH: 12-Year-Old Claims Estranged Relationship With Father Is Tearing Her World Apart

In the video above from after the show, Dr. Phil reveals the results of Crystal and Christian’s drug tests, and says what he believes is driving the couple’s behavior.

This episode airs Thursday. Watch more here.