[Warning: The below contains Major spoilers for The Righteous Gemstones Season 4 Episode 1, “Prelude.”] The Righteous Gemstones kicked off its fourth and final season with an origin story episode to end all origin story episodes as the HBO comedy explored the early beginnings of the Gemstone family’s roots in religion and preaching with “Prelude.” If you haven’t tuned in yet, we’d advise doing so now as we delve into some major spoilers regarding the Civil War-set installment. As fans have known for many seasons, the Gemstones, particularly siblings Jesse (Danny McBride), Judy (Edi Patterson), and Kelvin (Adam Devine), aren’t above some shady behavior despite the godly air around them. Well, it turns out that the apple doesn’t fall too far from their ancestor Elijah Gemstone (played by surprise guest star Bradley Cooper), a swindler and runaway criminal who crosses paths with a minister named Abel Grieves (fellow guest star Josh McDermitt). When...