Superherohype.com had an article referencing this..... apparently somebody decided to add in all the original stuff the studios made Jim Hensen leave out
Though you probably saw The Dark Crystal as a kid, and you possibly still bring it up whenever someone is just trying to mention something about Legend or Labyrinth, it turns out you've never seen the version Frank Oz and Jim Henson intended. Their original cut apparently didn't test well with audiences, and the studio rightly worried it was a pretty confusing, freaky thing to show to children. So, like when they were forced to tone down Snuffleupagus's swaying scrotum, Oz and Henson had to concede to tame their creation. Among other changes, they recut and redubbed the film, adding expository voice-overs and changing the Skeksis voices from a bizarre, made-up language to English, preventing those guy from just being absolute terrors.
Continue Reading for a link to the video and to the SHH article
(Dana Winkler Would appreciate this!)