Seems you picked the wrong forum for this questing. This is a forum for Computer Help, not for Bluray-help.
Moreover, you don't tell anything about that particular player (make and model), nor about the USB-stick (size, filesystem), nor about the symptoms (is it the stick that isn't recognised or just this movie on the stick?, error message?, does it recognise other movies?).
So I'm locking this thread.
Iam trying to watch a movie off my usb stick on my panasonic plasma tv. The tv doesnt have a usb socket but my bluray player does. But the bluray doesnt recognise the usb