In case you missed this week's PART I and PART II of the heated Democratic debates, here's how you can catch up.

CNN hosted, so you can stream on their site:
- CNN.com
 - Via the CNNgo app on Apple TV, Roku, Amazon Fire, Chromecast, and Android TV
 - On TV at CBSN. (A cable subscription is not required.) In addition, CBSN will feature coverage before and after the debates.