Check if there are Grammar and Sentence mistakes?

Question

In the last episode, it showed how hundreds of people have died while crossing the border. Throughout this documentary, I realized these cases in the documentary are the worst scenarios I could ever think of. 

Answer 1

Favourite answer

May I respectfully suggest?

The last episode of the documentary highlighted how hunderds of people have died crossing the border.  I came to realize the extreme potential risks some immigrants accept through these cases.

Hope this helps.