A special Oz investigation: Former Army Ranger Gary Smith was sentenced to 35 years in prison for killing his roommate, fellow Army Ranger Michael McQueen. Gary claims he did not kill Michael. Can new medical technology clear his name? Can we look into someone’s mind and tell if they’re guilty of a crime? Oz has never-before-seen footage that goes behind the scenes of a murder case.

Whether it's falling or flying, Dr. Oz has the answers to why you have the dreams that you do and what they might mean.