Christmas is just around the corner, and you’re probably catching up on some old and new favorite films about the holidays. Among your viewings of A Christmas Story, Die Hard, and Gremlins, maybe you picked up a copy of The Muppet Christmas Carol, which has recently had a 20th anniversary Blu-ray release. This repackaging of the 1992 holiday classic includes a commentary track by Brian Henson as well as a new commentary by the Muppet characters themselves. One is more technical, and the other is more silly, but together they give a nice look at the making of one of the more faithful-yet-original adaptations of the Charles Dickens book. And on to the commentary…