The top documentary would have to be Super Size Me and this documentary is about a person that eats McDonalds all the time .The way that this person lives for a month is crazy because the food that the man has been eating has been affecting his health.
The fourth documentary would have to be Undefeated about a football team in high school that has never won a game.The team is ready to make a change and practice a lot to try to win a game with team work.
The third documentary would have to be Citizenfour about about a person named Laura Poitras that gets a email from someone with information with government information.
The second documentary would have to be Life and death of a serial killer about a women that was convicted of killing 6 mean in Florida between 1989 and 1990.
The first documentary would have to be Blackfish about a captive killer whale that has taken the lives of several people and understanding the intelligence of mammals.