Board Thread:Support Requests - Getting Technical/@comment-26120589-20150224043459/@comment--20150224050247

There should be, I know you can post images that aren't uploaded on Wikia on your user page. So the same should be possible for videos.

EDIT: To my knowledge, though, I don't think you can if the website isn't supported. You'll probably have to keep searching on a supported site, or upload the video yourself on YouTube.

http://community.wikia.com/wiki/Help:Video_embed_tool