Peacock True Crime Shows 2026: 20 Must-Watch Gritty Series

What if the storyline of your favorite medical drama was actually a calculated lie? Peacock is proving that reality is often stranger than fiction with its massive true crime library. Whether it's cold cases or high-profile medical malpractice, these 20 shows offer a deep dive into the darkest corners of human behavior.

The Dark Side of Reality: Peacock True Crime Shows 2026

One of the most talked-about titles in 2026 is Anatomy of Lies (2024). This documentary explores the bizarre case of Elisabeth Finch, a writer for Grey’s Anatomy who fabricated her entire medical history, including a battle with cancer, to further her career. It's a haunting portrait of how one person's alternate reality can devastate an entire professional community.

For those who prefer scripted adaptations, Dr. Death remains a terrifying staple. The first season stars Joshua Jackson as Christopher Duntsch, a neurosurgeon who maimed 30 patients and killed two. The series captures the systemic failures that allowed a sociopathic surgeon to continue operating, while the companion docuseries 'The Undoctored Story' provides the chilling real-world evidence.

Cracking Cold Cases with Modern Tech

Scientific advancements are central to Bloodline Detectives, hosted by Nancy Grace. The show highlights how genetic genealogy is being used to solve decades-old murders. By leveraging DNA databases like 23andMe, investigators are finding leads in cases that had long gone cold, proving that time doesn't always hide the truth.