This post will show you how to check the videos you have watched on your Facebook profile incase you want to re-watch the videos.
On your Facebook mobile (application both mobile and PC), go to settings by tapping on the 3 bar at the top right, scroll to ‘Your Activity’ and select ‘Activity log’

From the options to the right and select ‘videos watched’

Click on ‘videos watched’ and you can now see your watched videos history
