Brian claims his ex-wife, Libby, has alienated their children from him since their divorce nearly six years ago.

TELL DR. PHIL YOUR STORY: Huge family drama?

“I’ve lived every day for the last six years in hell, having been erased and abandoned by my kids,” he says.

WATCH Former Couple Argues Over Who’s To Blame For Dad’s Lack Of Relationship With Their Kids

Brian claims Libby has convinced their children that he’s abusive, doesn’t love them and is out to make their mother’s life miserable. “Because of Libby’s poisonous alienation, it’s no wonder these kids don’t like me,” he says.

“I would like for my children to have a relationship with him,” says Libby, who denies Brian’s claims. She says she’s not the one who is responsible for alienating the kids from Brian – he is.

WATCH: Divorced Couple’s Kids Say Mom Didn’t Alienate Them From Dad

Libby claims that for the past six years, Brian has harassed her nonstop with DCFS investigations and angry texts.

In the video above, Dr. Phil meets with the former couple backstage. How do they respond when he asks them what they want to accomplish in their time with him?

Part one of this two-part episode airs Monday. Check here to find out where you can watch. Then, tune in for the conclusion on Tuesday.

TELL DR. PHIL YOUR STORY: Conflict so big it needs a Dr. Phil solution?

Woman Claims Her Ex Is ‘Obsessed With Making My Life Miserable’