Checking your sources

Here are some tips(ways) to find out whether the video is a hoax or not:
 First: 

1. Watch the video and listen to the information that provided in the video.
2. Make sure that you can hear and understand everything in the video
3. Don't be so trust in that video because it might be untrue
4. So the next thing is you need to ask yourself some questions to find out if you can trust the video or not.

Here are some questions that you need to ask yourself:

1.  Is the information biased in any way?
2. Who has written or make this video? find out who that person is.
3. Are the aims of the site(video) clear?
4. It is the person in the video provided any reliable sources or he/she was just trying to tell their opinions with no evidence?
5. It is the information is true?
6. Does this person has more videos in his/her channel? If there's only one video, you might consider the video is a hoax. 

Those tips above can help you to find out the video is a hoax or not, try to follow it and you will find out what you want!