Lamar Odom Takes First Steps Toward Recovery on 'The Doctors' -- Watch the Intense Promo

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Lamar Odom is getting candid about his demons.

The former NBA star is asked point-blank about his struggles with substance abuse in the intense new teaser for The Doctors exclusive interview, Lamar Odom's Road to Rehab, which airs Friday, Dec. 16.

The Doctors is also set to have Odom's first interview upon being discarged in Jan. 2017.

WATCH: Lamar Odom Checks Into Rehab More Than a Year After Near-Fatal Overdose

The 37-year-old athlete checked himself into rehab this week, more than a year after his near-fatal overdose in a Nevada brothel, which led to a lengthy recovery at a private rehabilitation center in Calabasas, California.

"It was his decision to go back," a source told ET. "He wants to get better and recently realized he needs to do this for himself, and especially for his children. He knows he needs help and unfortunately, this is something he'll need to take care of for the rest of his life. Drug and substance abuse is a serious issue."

NEWS: Khloe Kardashian and Lamar Odom's Divorce Has Been Finalized

Odom's struggle for sobriety has encountered several apparent setbacks, including being spotted in May drinking at a bar inside a Los Angeles mall, allegedly being removed from a Delta Airlines flight for being intoxicated and vomiting on the plane in July, before partying at a gentleman's club in Queens, New York, the following day.

The basketball player's issues have also led ex-wife, Khloe Kardashian, to fear for his life.

Watch the video below for more.