One thing that is a bit of a bother about the interface is transferring between lectures.
What I would like to see:
1) “Next” and “Previous” buttons for transitioning between lectures.
2) Two dropdowns to transition from one lecture to another without having to back out to the lecture list or Courses pages.(Pick a Course and then pick a lecture, and you are off!)
3) A way to play lectures as a playlist.
I would also like to not be logged out after every other video, have to go to a separate page to log back in, and then be transported all the way back to the home page from which I have to navigate all the way back to the particular course and lecture page so I can continue listening.