There is a way to see a list of the videos you have watched.
Step 1: You can open YouTube on your phone.
The red rectangle icon has a white play symbol inside.The app drawer is where you will usually find it.
Step 2: There is a Tap Library.
It is at the bottom-right corner of the screen.
Step 3: You can tap history.
The top of the menu has it.There is a list of videos on this page.Click a video to view it, then scroll down to see farther back in history.The search bar at the top of the screen can be used to find a video.