Should YouTube Videos be seen in the Course Preview mode

bill-white Community Member Posts: 5
I am trying to insert a YouTube video. I select the YouTube icon, enter the URL, run the Preview mode from that Window, and the video runs. Click OK and the video place marker remains.

I then go to the Preview button under the Publish section, and the slide simply runs for 5 seconds with no video and no place marker in the Preview Mode.

Is this normal? Is the video still present but just not showing (but will show when published) or should it run in the Preview Mode as well?