Primetime Cable News: March 21, 2018
Nightly Network Averages:
| Total viewers | A18-49 | A25-54 | |
| CNN | 1.36 million | 0.27 | 0.37 |
| FNC | 2.92 million | 0.33 | 0.50 |
| MSNBC | 2.58 million | 0.32 | 0.47 |
| Rank^ | Show | Net | Time | P2* | A18-49 |
| 13 | AC 360 | CNN | 8:00 PM | 1,453 | 0.29 |
| 16 | AC 360 | CNN | 9:00 PM | 1,347 | 0.27 |
| 19 | CNN Tonight | CNN | 10:00 PM | 1,273 | 0.26 |
| 3 | Tucker Carlson Tonight | FOXN | 8:00 PM | 3,076 | 0.34 |
| 1 | HANNITY | FOXN | 9:00 PM | 3,251 | 0.37 |
| 5 | The Ingram Angle | FOXN | 10:00 PM | 2,433 | 0.28 |
| 6 | All In w/ C. Hayes | MSNBC | 8:00 PM | 2,132 | 0.26 |
| 2 | Rachel Maddow Show | MSNBC | 9:00 PM | 3,102 | 0.41 |
| 4 | Last Word w/ L.O'Donnell | MSNBC | 10:00 PM | 2,513 | 0.29 |
* Viewership (,000)
^ Overall primetime cable ranking
^ Overall primetime cable ranking

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