How can I review older videos from my tracks?

Sure you can review these videos any time, and there's a couple of ways to do it. It depends a bit on if the video you're wanting to watch is in the current "section" you're working on. If you look at the top of the bar above the video you're currently viewing you should see a series of white dots/gray dots. These indicate what you've completed inside this section. Any of these are clickable and will lead you to that video/challenge/quiz (even ones you've already completed). Note that this is a great way to go back and redo a challenge just to make sure your skills are still up to date and that you still remember how to complete that challenge!

If you believe that the video you want to review is not in the current section you're working on, go to the "Tracks" link at the top of the page. Find the track you're working on, but instead of clicking the resume button click the bigger square that contains the resume button. It will list out the courses contained within that track. Find the one you think the video belongs to and click its square. This will lead you to the landing page for that course. If you scroll down you can see the details of each "section" with a small down arrow by the number of "steps". If you click the arrow it will show the details for each step including a description of the video. When you've found the one you're after, simply click it and the video should launch.

Hope this helps!