I don't watch HBO. If you want to know whether something they say is really "Mormon", let me know.
Oldflame asked about Mormons believing the Bible and the Hell the bible described... I'm surprised you asked... being a former member and all.
Mormon hell is poorly defined and contradictory. Major mormon themes like the three degrees of heaven, eternal marriage, baptism for the dead, word of wisdom and temple work WERE NOT MENTIONED in the Book of Mormon. Supposedly the BOM was a "restoration" of Mormonism, but failed to include these major mormon themes. (because these ideas hadn't been made up by Joseph's Myth yet). The Bible/book of mormon describe a bipolar heaven/hell. Later "scriptures" revelealed by sMyth detailed a multi layered heaven. And thus, the confusion of hell within mormon scripture.