This scene where she wears mom's sweater and acts like the mom. This scene terrified me as child. I loved it and kept going back for more but for me it was the scariest scene out of all the Friday the 13th movies.
The first one came out on May 9th 1980. I thought I went to the movie theatre to see the first one but I was too young. It was probably when the second came out and that is why it scared the hell out of me.