Watching movies like Mary Poppins, Uncle Buck, and The Hangover; it would be difficult to imagine them as horror movies. But, the geniuses of the internet have created the best remixed movie trailers turning some of your favorite comedies into scary films. These are perfectly hilarious and frightening. 

1. The Hangover

2. Uncle Buck 

3. Willie Wonka and the Chocolate Factory

4. Groundhog Day

5. Rain Man

6. Forrest Gump

7. Sound of Music

8. The Notebook 

9. Beethoven

10. Office Space