Tim says he’s ready to clear his name after his daughter, Brittany, accused him of molesting her over 100 times from ages 6 to 13. Tim adamantly denies abusing her and claims his ex-wife, Brittany’s mother, Danielle, has brainwashed Brittany into lying about the abuse – an accusation Danielle denies.

Tim agreed to take a polygraph to help prove his innocence. Watch the video above to find out what happens.

This episode of Dr. Phil airs Friday. Watch more here.