Greatest Mysteries Ever is a U.S. television program shown on Science since Saturday, August 23, 2025. Greatest Mysteries Ever is watched by a total number of 103,000 people (0.03% rating, down -9% from last week) as of the daily audience measurement on .
Demographic breakdown of the most recent historical ratings of Greatest Mysteries Ever on Science Channel as of Saturday, September 13, 2025.
| Greatest Mysteries Ever Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2025-Sep-13 | HH | 76,500 | 0.06 |
| P2+ | 103,000 | 0.03 | |
| P18-49 | 28,000 | 0.02 | |
| P25-54 | 42,000 | 0.03 | |
| 2025-Sep-06 | P2+ | 113,000 | 0.04 |
| P18-49 | 11,000 | 0.01 | |
| P25-54 | 20,000 | 0.02 | |
| 2025-Aug-23 | P2+ | 62,000 | 0.02 |
| P18-49 | 8,000 | 0.01 | |
| P25-54 | 10,000 | 0.01 | |
| Rank | Program | Audience | Change |
|---|---|---|---|
| 1 | Strange Evidence | 148,000 | -10% |
| 2 | Fatal Engineering | 107,000 | +34% |