This video will show you how to embed a youtube video on Canvas. 

To embed a youtube video simply find the video that you would like to embed, click share, click embed, copy the embed code, then go to the place on Canvas where you would like to embed the video. You could do this on a page on a discussion on an assignment or on a quiz. Within the editing, box simply click the record or upload media button, click upload recorded media, select embed, and paste the embed code. Then, select submit now. 

Your video will be embedded on the Canvas page.