[youtube]https://www.youtube.com/embed/h4iOqek9Y4Q?list=PL21B73BD9D8A2A577[/youtube]
The video area has a playlist selection on the upper left corner, where if you move the mouse over it and click it, you can select whichever video part of the Mass that you want to see. Otherwise, each video should play right after the other in order.