It all began a couple of weeks ago when this video came out:
As you probably noticed, people other than Doc Brown are speaking Spanish. The video above was simply a teaser for the big one: Christopher Lloyd as Doc Brown has become the (official?) spokesperson for Argentinian Electronic store Garbarino's latest campaign:
He even got a press conference:
However you feel about these, you gotta admit it's awesome of Christopher Loyd to stay in character the whole time; plus, he looks cute with a bowtie. :3