I'm on Google Video Spain, how can I change it back to Google Video US?

Answer 1

http://video.google.com/?ncr
next time :at the bottom of the page there's something that looks like a list with links and what not, click on your prefered country. The list looks like
Prueba también nuestras versiones internacionales:
U.S. - Australia - Canada - Deutschland - España - France - Italia - Nederland - Polska - U.K.

or you could just change the ".es" bit to ".com"