Not only is it a great license, but unlike some other dream themes, it seems like a very available license that Universal is willing to contract out for various projects and allow some degree of creative freedom. In the past 5 years, there has been a new BTTF video game (with Christopher Lloyd reprising his role as Doc, Michael J. Fox making a cameo, and Tom Wilson coming back to voice Biff for the anniversary edition), BTTF comic books, television commercials, books, virtual pinball, appearances on late-night talk shows, comicons, etc. They have even used Christopher Lloyd as Doc Brown in a new bonus feature for the Blu-Ray re-release, the 2011 Nike MAGs campaign, a strange series of South American applicance store commercials, the Lego Dimensions video game, and more. I do not know much about licensing (and some of these examples are Universal projects), but BTTF seems like a franchise that has been licensed out for many more projects than other franchises out there, especially in recent years. Go get it!