Yes. When viewing a video, hover your mouse or click the HD icon located in the bottom right side of the video screen. Click the desired streaming rate.
Related topics:
How will I know when a video is about to expire?
Is there a way to find full episodes of shows that fall into a specific genre without looking at each show individually?
A narrator is describing everything that happens on the shows I am watching. How do I make it stop?
I am getting a message that a video is unavailable in my area. Why?
Where can I find the transcript for a particular story or program?
What is the benefit of creating an account?
What are the system requirements to view PBS Video content?
Do I need to be signed in to use the Watchlist?
Are videos ever removed from my Watchlist without my knowledge?
Is there a limit to how many videos I can save to my Watchlist?