EDpuzzle (https://edpuzzle.com/) is a platform in which teachers create interactive video assessments pulling from YouTube, Khan Academy, National Geographic, etc.. Create custom integrated assessments for videos they assign for students to watch.
Interactive Video Assessment (http://tlt.psu.edu/2014/09/15/hot-team-interactive-video-assessment-tools/) EDpuzzle Tutorials (https://edpuzzle.zendesk.com/hc/en-us/categories/201076232-For-Teachers)