Under the video, there are 3 links: "Add to", "Share" and "...More". If you click on the "More..," you can select transcript. Try using the transcript & the Pause button to review the tutorial for a better understanding. This is a really common technique. You might want to do a google search for other tutorials. Here's one with 40:
http://www.polkadotchair.com/2014/06...utorials.html/