Where can i watch the great courses plus? The Great Courses Plus is a subscription-based video streaming service that's also an online learning site. To also classify it as a streaming service feels apt, however, because you can watch The Great Courses content not only on your computer, but also via Apple TV, Roku, and other devices.How do i cancel my great courses plus subscription? How you cancel, depends on how you signed up. If you have an active subscription created through the iOS app it will appear under the “Active” section. Select "The Great Courses Plus" and cancel. Click on Subscriptions and tap on the app of the subscription you’d like to cancel.What does the great course plus account do? The Great Course Plus is simply a subscription-based account that gives you streaming access to the same catalog, plus a few videos you can't get on the other site. Sorry, the video player failed to load.How many lectures are in the great courses plus? The Great Courses Plus has around 500 courses containing upwards of 10,000 lectures (as of this writing). Each lecture is typically around 30 minutes. This, in my opinion, is the perfect amount of time.