Report a problem or request removal
Tell us about broken videos, wrong credits or mistakes, or ask for your content to be removed.
I'm the creator and want my content removed
We remove content at the creator's request. Tell us which channel or videos are yours and we will take them down, usually within a few days.
A video is broken or something is wrong
Use the Report a problem link under any lesson, or open a report here. Include the course and lesson if you can.
Suggest a course
Know a lecture series that should be here? Suggest it and we'll review it against our content guidelines.