In an age rampant with sequels, prequels, and the importance of franchised IP, Back to the Future remains untouched. Back to the Future Part III hit theaters in 1990, and since then, that’s been the end of the series. Fans have always wondered about why there wouldn’t be another installment when every other beloved franchises seems to keep going back to the well, so on The Collider Podcast, we asked our guest, Back to the Future trilogy co-writer Bob Gale, why exactly there won’t be a Back to the Future 4. [caption id="attachment_796115" align="alignright" …