If you are looking for the best website where you could be watching full length YouTube videos featuring movies that may be of interest to you then you might want to look online for websites that provide you with such a feature. There are many such websites that compile and sift through YouTube videos presenting to you videos of specific themes. What this means is that, if you are after specific movies then you can find websites that feature those very movies of full lengths on a single page for you to watch one after another.
You should therefore investigate websites that would meet your requirements however there are some websites that would allow you to sift through all types of YouTube videos that feature full-length movies. You might want to visit discussion forums related to YouTube movies that are of specific genre so you can get recommendations from like-minded individuals on how and where do they watch such movies online from.
By getting website recommendations from different sources you will soon end up having a range of different websites like putlocker movies that you could be visiting one at a time to check them out. So, as you can see, there are different websites featuring different types of YouTube videos which you can visit and watch your favorite videos from. The only thing being you will first have to identify such websites and the rest will follow.