Tom says he's 100% convinced that his fiancée Teaka is cheating on him. He set up secret surveillance cameras inside their home so he can monitor her alleged infidelity. Teaka swears she's never cheated and feels like a prisoner in her own home.

Dr. Phil continues looking back on the past 20 years. Updates include toddlers, what happened to a daughter who faked 10 pregnancies, a violent 12-year-old and a former all-star athlete turned heroin addict. Dr. Phil has another surprise for Robin.