| 100% | IFC | 3 | "Documentary Now!" channel |
| 100% | IFC | 3 | Documentary Now! channel |
| 71% | IFC | 3 | "Documentary Now!" cable channel, originally |
| 61% | ESPN | 4 | "Nascar Now" channel |
| 58% | GEO | 3 | Nat __: documentary channel |
| 57% | ESPN | 4 | "Fantasy Football Now" channel |
| 56% | ANIMALPLANET | 12 | Channel with wildlife documentaries |
| 54% | GEO | 3 | Nat ___, nature documentary channel |
| 52% | GEO | 3 | Nat ___, documentary channel, for short |
| 52% | ESPN | 4 | Channel that airs "30 for 30" documentaries |
| 52% | NAT | 3 | ___ Geo, channel for nature documentaries |
| 51% | THEY | 4 | "Where Are ___ Now?" (common documentary closer) |
| 48% | ESPN | 4 | Channel that aired "The Last Dance," a Michael Jordan documentary |
| 48% | GSN | 3 | TV channel with the slogan "Get Smarter Now" |
| 47% | ESPN | 4 | Cable channel that airs "30 for 30" documentaries |
| 46% | ESPN | 4 | Cable channel that produces the "30 for 30" documentaries |
| 45% | ESPN | 4 | Cable channel that runs the "30 for 30" documentary series |
| 45% | TCM | 3 | TV channel with the slogan "Where Then Meets Now" (abbr.) |
| 45% | ANIMAL | 6 | ___ Planet, channel that airs educational programming such as nature documentaries |
| 44% | ESPN | 4 | Cable channel that aired the Michael Jordan documentary "The Last Dance" |
| 43% | ESPN | 4 | Cable channel that airs the "30 for 30" sports history documentaries |
| 40% | ESPN | 4 | "30 for 30" documentary series channel |
| 39% | MTV | 3 | Channel once known for rock and pop videos that now airs mostly reality and comedy shows |
| 39% | GEO | 3 | Nat ___ (documentary channel, for short) |
| 35% | HBO | 3 | Premium cable channel |
| 35% | NICKELODEON | 11 | Popular cable channel |
| 35% | NINE | 4 | Emergency CB channel |
| 35% | SEWER | 5 | Underground waste channel |
| 35% | TRE | 3 | Italian TV channel |
| 35% | TNN | 3 | Basic cable channel |