In terms of gaming, "holiday season" can mean anything from early-November to as late as January of the next year. They tend to be designated in 'quarters'. As such, Super Sm4sh Bros. has been slated to be released during the fourth quarter, or 'Q4', of this year.
It feels as though it's been ages since I've actually been hyped for a game—well, not THAT hype; just sort of. I wish my brother were here to see this, though; he and I together would have completely lost our minds...