There are few better ways to tell a complicated true-life story than a well-made documentary. From Hulu and Netflix’s competing Fyre Festival documentaries, which both capture the mega-disaster of the exclusive event that never happened, to groundbreaking docuseries that rocked the music industry, like Lifetime’s “Surviving R. Kelly” and HBO’s “Leaving Neverland,” 2019 has been the year for riveting documentaries.

And if you’re still itching to see more powerful scammers get exposed, Netflix has you covered. “Dirty Money” chronicles real cases of corruption and corporate greed as it takes shape in drug dealing and politics, while “The Great Hack” reveals how Cambridge Analytica became a propaganda machine during the 2016 election. Other political docs include “Knock Down the House,” “Flint Town,” “Reversing Roe” and “Trump: An American Dream.”

But if you’re craving something more upbeat, you can always watch Beyonce’s “Homecoming,” which chronicles the singer’s...