That's odd! To confirm, does this happen with the recommended videos on the homepage or the watch page? Also, what device are you using? Share a few screenshots of the issue for us to take a look. Keep us posted.
Thanks for the info. Have you tried clearing your browser's cache and cookies to check if that makes a difference: https://goo.gl/1Ytrq3 ? Also, try using a different browser to check if that resolves the issue. Keep us posted.