★ 7.5
Murder in the Skies: Who Downed Mh17?
2025
Both explore documentary; both documentary and mystery
★ 7.1
NASA's Unexplained Files
2012
Both explore mysterious events and observational documentary; both documentary and mystery
★ 8.0
Science’s Greatest Mysteries
2022
Both explore documentary; both documentary
★ 6.6
The Man with 1000 Kids
2024
Both explore observational documentary and documentary; both documentary
★ 7.7
Through the Wormhole
2010
Both explore documentary; both documentary
★ 6.6
The UnXplained
2019
Both explore mysterious events; both documentary