Back to the Future II
Wait... you're watching them in reverse?
You trying to make the point that, since the movies involve time travel, you don't have to watch them in order?
Speaking of sequels: I just got finished watching 
Penitentiary III.
And the reason I wanted to watch it can be summed up in four words:
Homicidal crack-smoking 
midget dwarf.
[img width=253 height=320]http://1.bp.blogspot.com/_X67jTpM_ulA/SpFdgR94sqI/AAAAAAAAAy4/AfAKafj595I/s320/pen3still.jpg[/img]