Wondrium (formerly The Great Courses) is a series of college-level audio and video courses and documentaries produced and distributed by The Teaching Company, an American company based in Chantilly, Virginia. As of 2015, it had created over 700 courses and sold over 14 million copies. We subscribe to their service via YouTube TV and are an avid consumer of their history and science programing. Emma and Alex watched The Dog Training 101 lectures.
Emma is really paying attention
Putting the training into effect