Hazardous History with Henry Winkler is a U.S. television program shown on History since Sunday, June 15, 2025. Hazardous History with Henry Winkler is watched by a total number of 299,000 people (0.09% rating, down -55% from August 3) as of the daily audience measurement on .
Demographic breakdown of the most recent historical ratings of Hazardous History with Henry Winkler on History as of Thursday, November 27, 2025.
| Hazardous History with Henry Winkler Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2025-Nov-27 G+R+E-O+P-O | HH | 217,800 | 0.17 |
| P2+ | 299,000 | 0.09 | |
| P18-49 | 40,800 | 0.03 | |
| P25-54 | 37,700 | 0.03 | |
| 2025-Aug-03 8: OCCUPATIONAL HAZARDS | HH | 503,000 | 0.40 |
| P2+ | 667,000 | 0.21 | |
| P18-49 | 95,000 | 0.07 | |
| P25-54 | 113,000 | 0.09 | |
| 2025-Jul-27 | HH | 553,500 | 0.44 |
| P2+ | 738,000 | 0.23 | |
| P18-49 | 67,000 | 0.05 | |
| P25-54 | 136,000 | 0.11 | |
| 2025-Jul-20 | HH | 515,500 | 0.41 |
| P2+ | 718,000 | 0.23 | |
| P18-49 | 80,500 | 0.06 | |
| P25-54 | 123,500 | 0.10 | |
| 2025-Jul-13 | HH | 528,500 | 0.42 |
| P2+ | 664,000 | 0.21 | |
| P18-49 | 93,500 | 0.07 | |
| P25-54 | 136,000 | 0.11 | |
| 2025-Jul-06 | HH | 314,500 | 0.25 |
| P2+ | 445,000 | 0.14 | |
| P18-49 | 93,500 | 0.07 | |
| P25-54 | 136,000 | 0.11 | |
| 2025-Jun-29 | HH | 314,500 | 0.25 |
| P2+ | 456,000 | 0.14 | |
| P18-49 | 93,500 | 0.07 | |
| P25-54 | 99,000 | 0.08 | |
| 2025-Jun-22 | HH | 339,500 | 0.27 |
| P2+ | 470,000 | 0.15 | |
| P18-49 | 93,500 | 0.07 | |
| P25-54 | 136,000 | 0.11 | |
| 2025-Jun-15 1: PERILOUS PLAY (P) | HH | 390,000 | 0.31 |
| P2+ | 569,000 | 0.18 | |
| P18-49 | 152,000 | 0.11 | |
| P25-54 | 186,000 | 0.15 | |
| Rank | Program | Audience | Change |
|---|---|---|---|
| 1 | Curse of Oak Island | 1,549,500 | -7% |
| 2 | Mysteries Unearthed | 807,000 | +3% |
| 3 | American Pickers | 359,300 | |
| 4 | Ancient Aliens | 275,000 | -16% |
| 5 | The Bible | 248,000 | |
| 6 | Holy Marvels | 224,000 | -39% |
| 7 | UnXplained | 187,000 | -37% |