You can now watch the entire The Mentalist Season 3 Episode 21 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.
Patrick Jane suspects a state prison inmate is the killer of a prison guard who was stabbed to death outside a jewelry store. Rigsby decides to ask his father what he knows about the murder.