From the main menu click on Special Features. 
In the lower right-hand corner, click on the Stickman 
figure. There you'll find a trailer for The Stand, 
the worlds first DVD-18.

From the disc's main menu, go to the 'Special Features'. 
Now press the arrow down key on your remote control until 
you highlight the well-known 'Blair Witch' stick-figure 
symbol. Now press 'Enter' and you will see 2 teaser clips 
for The Blair Witch Project.