Cody, Allison, and Dylan are credited with saving their younger stepbrother, 5-year-old Jordan Bleimeyer, when they alerted authorities that the boy was being starved, abused and held captive inside a closet under a stairway in their home.

TELL DR. PHIL YOUR STORY: Huge family drama?

Jordan’s father, Bradley Bleimeyer, and stepmother, Tammi, were arrested in 2014.

WATCH: Stepbrother Of Abused Child Claims His Mother Was ‘Definitely Lying’ When She Said She Didn’t See What Was Going On With The Boy

All three siblings testified against their mother, Tammi, when she went to trial on charges related to Jordan’s abuse, and say they never questioned speaking out against her.

“It’s probably one of the most difficult things I’ve ever done in my life, but it’s just what was the right thing to do,” says 21-year-old Cody.

Cody says he hasn’t spoken to his mom since he was 16 but says they would all like to have a relationship with her again.

WATCH  A Dr. Phil Exclusive: The Boy under the Stairs?

Watch the video above to hear what Cody tells Dr. Phil he would say to his mother if he had the chance. Plus, find out what Cody, Allison, and Dylan say happened when they recently reunited with Jordan for the first time in nearly 5 years.

Check here to find out where you can watch this Dr. Phil exclusive.

TELL DR. PHIL YOUR STORY: Are you involved in a story that has made the headlines?

Stepmother Who Denied Abusing Her Husband’s Child Gets 28 Years Behind Bars