> > They weren't M&Ms, were they? They were Reese's Pieces.
> >
> > ...what are Reece's Pieces, anyway? :o)
>
> They're like M&Ms, except that instead of chocolate, they have peanut butter inside.
>

After the product placement of various M&M/Mars candies in _Gremlins_ (where said creatures threw candy at the movie screen), they turned down the opportunity to feature M&Ms in _ET_. Thus, Reese's Pieces were created to fill the candy gap.

-Faux "Liked the mint M&M knockoffs from the 80s - Royals, I think they were called" Pas