Magnum P.I. was a U.S. television program broadcast on CBS from Monday, September 24, 2018 to Friday, July 15, 2022. Magnum PI was watched by a total number of 2,586,000 people (0.83% rating) as of the daily audience measurement on . Magnum PI is now shown on Ion Television since February 2025 and NBC since February 2023. Magnum P.I. starred Jay Hernandez (47), Perdita Weeks (39), Zachary Knighton (46), Stephen Hill (49), Amy Hill (72), and Tim Kang (52).
Demographic breakdown of the most recent historical ratings of Magnum P.I. on CBS as of Friday, July 15, 2022.
| Magnum PI Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2022-Jul-15 R | P2+ | 2,586,000 | 0.83 |
| P18-49 | 326,100 | 0.25 | |
| P25-54 | 450,200 | 0.37 | |
| 2022-Jul-08 R | P2+ | 2,587,000 | 0.83 |
| P18-49 | 313,100 | 0.24 | |
| P25-54 | 425,800 | 0.35 | |
| 2022-Jul-01 R | P2+ | 2,535,000 | 0.81 |
| P18-49 | 260,900 | 0.20 | |
| P25-54 | 425,800 | 0.35 | |
| 2022-Jun-10 R | HH | 1,841,000 | 1.50 |
| P2+ | 2,230,000 | 0.72 | |
| P18-49 | 222,000 | 0.17 | |
| P25-54 | 316,300 | 0.26 | |
| 2022-Jun-03 R | P2+ | 2,572,000 | 0.83 |
| P18-49 | 221,800 | 0.17 | |
| P25-54 | 316,300 | 0.26 | |
| 2022-May-27 R | P2+ | 2,618,000 | 0.84 |
| P18-49 | 247,900 | 0.19 | |
| P25-54 | 389,300 | 0.32 | |
| 2022-May-20 R | P2+ | 2,669,000 | 0.86 |
| P18-49 | 260,900 | 0.20 | |
| P25-54 | 389,300 | 0.32 | |
| 2022-May-13 R | P2+ | 2,573,000 | 0.83 |
| P18-49 | 273,900 | 0.21 | |
| P25-54 | 389,300 | 0.32 | |
| 2022-May-06 | HH | 3,765,000 | 3.10 |
| P2+ | 5,055,000 | 1.62 | |
| P18-49 | 446,000 | 0.34 | |
| P25-54 | 730,000 | 0.60 | |
| 2022-Apr-29 | HH | 3,600,000 | 2.90 |
| P2+ | 4,810,000 | 1.54 | |
| P18-49 | 403,000 | 0.31 | |
| P25-54 | 717,900 | 0.59 | |
| 2022-Apr-08 | P2+ | 5,312,000 | 1.71 |
| P18-49 | 521,800 | 0.40 | |
| P25-54 | 803,000 | 0.66 | |
| 2022-Apr-01 | P2+ | 4,870,000 | 1.56 |
| P18-49 | 495,700 | 0.38 | |
| P25-54 | 754,400 | 0.62 | |
| Rank | Program | Audience | Change |
|---|---|---|---|
| 1 | Tracker | 8,266,000 | +1% |
| 2 | 60 Minutes | 6,907,000 | +1% |
| 3 | FBI | 5,727,000 | +2% |
| 4 | Georgie & Mandy's First Marriage | 5,636,000 | |
| 5 | Ghosts | 4,801,000 | -1% |
| 6 | Watson | 4,736,000 | +115% |
| 7 | Elsbeth | 4,693,000 | +2% |
| 8 | Survivor | 4,426,000 | -4% |
| 9 | FBI: International | 4,402,000 | -1% |
| 10 | FBI: Most Wanted | 4,120,000 | -1% |
| 11 | CBS Evening News | 3,637,000 | |
| 12 | Price Is Right | 3,257,000 | -9% |
| 13 | S.W.A.T. | 2,826,000 | |
| 14 | NCIS | 2,732,000 | -51% |
| 15 | Amazing Race | 2,571,000 | -4% |
| 16 | Hollywood Squares | 2,461,000 | +1% |
| 17 | Equalizer | 2,427,000 | -42% |
| 18 | 48 Hours | 2,333,000 | +2% |
| 19 | NCIS: Origins | 2,059,000 | -47% |
| 20 | CBS Mornings | 1,946,000 | +1% |
| 21 | Fire Country | 1,669,000 | -6% |
| 22 | Saturday Encore | 1,303,000 | +21% |