There are a lot of ways to watch Youtube video. Using online live stream is one of the best and easy way if you have a fast internet connection, unless you want to watch it in different ways such as:
Download the Youtube video and watch on TV
Set to Watch Only a Segment of Video from Youtube
Do you know that there is a special way to watch Youtube video where you can watch two different YouTube videos simultaneously under a same webpage at the same time?
Visit YouTube Doubler website, then copy and paste the video URLs for both of the videos you would like to watch in the empty boxes provided at that site. Then, press the button Double Up!
After that, sit back to relax and watch the movies play at the same time from Youtube.