Videos on Pro-Con Essays
There are many interesting videos available on Pro-Con Essays.
Watch this video with a general introduction to Pro-Con Essay
Then watch this video with further explanations
You may also take a look at this video
Note: Despite what the video says, you do not need to say in the introduction what you are going to talk about, like "this essay discusses both benefits and drawbacks of television". Also, you do not need to use words like !I believe".