★ 7.8 1 
Best Documentary series on OXYGEN (United States)
The most popular Documentary series you can stream on OXYGEN in United States right now, ranked by viewers.
★ 7.8 1 
★ 7.5 2 Cold Justice
★ 4.7 3 Blood & Money
★ 8.1 4 Snapped: Killer Couples
★ 7 5 Killer Relationship with Faith Jenkins
★ 1 6 Prosecuting Evil with Kelly Siegler
★ 8.7 7 911 Crisis Center
★ 7.9 8 Accident, Suicide or Murder
★ 6.4 9 The Real Murders of Orange County
★ 8.4 10 Buried In The Backyard
★ 7 11 Philly Homicide
★ 2.2 12 Sins of the South
★ 7.2 13 In Ice Cold Blood
★ 7 14 Killer Siblings
★ 6 15 Selena & Yolanda: The Secrets Between Them
★ 8.2 16 Homicide for the Holidays
★ 7 17 Killer Motive
★ 5.5 18 The Real Murders of Los Angeles
★ 6.4 19 The Real Murders of Atlanta
★ 8 20 Family Massacre
Updated: November 2, 2026 ·