It’s time to separate fact from fiction as award-winning Big Little Lies writer David E. Kelley’s latest series, The Undoing, airs its sixth and final episode on HBO Max in the US and Sky Atlantic in the UK. Directed by Oscar-winning filmmaker Susanne Bier, this is TV you don’t want to miss – so here’s how to watch The Undoing episode 6 online and stream the series finale of this nail-biting drama wherever you are right now.The Undoing is based a 2014 novel by Jean Hanff Korelitz and stars Nicole Kidman and Hugh Grant – together on-screen for the first ever time – as a seemingly happily married couple living a privileged life in Manhattan with their son, Henry. Watch The Undoing episode 6 finale onlineThe Undoing episode 6 is titled ‘The Bloody Truth’ and represents the series finale of the show. It airs at 9pm ET/PT on HBO this Sunday (November 29) in the US, as well as being available via the network’s on-demand service HBO Max. A day later, it’s shown in the UK at 9pm GMT on Monday, November 30 courtesy of Sky Atlantic and comes to Now TV. Wherever you are, you can watch it on your…