Hidden Trailers
Go to where you would find the theatrical trailer for the movie and you will see movie posters in the background. Highlight them and press enter to view the trailers for Ghostbusters II, Stripes and Groundhog Day.
Mystery Science Theater 3000
Play the movie and then use the subtitle button on your remote until you get to number 3 or 4 (both work). Three people will appear at the bottom of the screen and it will look like Mystery Science Theater 3000.