People can watch "Criminal Minds" online through one of many services including CBS All Access, Amazon, iTunes and Xfinity. The show revolves around team of expert FBI profilers who use their skills to thwart criminal by predicting their next move. It first aired in 2005.
Amazon Prime, Xfinity, CBS All Access and iTunes offer the episodes on demand for a monthly subscription fee or a one-time payment per season or per episode. CBS and Xfinity move the episodes after they expire while Amazon has the entire episode collection. Check with the individual company sites for specifics about viewing policies.