Video Pipeline, Inc. v. Buena Vista Home Entertainment, Inc.,
342 F.3d 191, 203 (3d Cir. 2003), cert. denied, 540 U.S. 1178 (2004)
Even though the plaintiff's website is now offline, through the Internet Archive, you can see what it once looked like. And, if you're looking for movie trailers, there are plenty of other places to find them. You can even view trailers from classic movies.