| 100% | OUR | 3 | "___ Planet," documentary series narrated by David Attenborough |
| 72% | PLANETEARTH | 11 | Emmy-winning nature series narrated by David Attenborough |
| 51% | OCEAN | 5 | Subject of David Attenborough's "Blue Planet" series |
| 47% | OUR | 3 | "__ Planet": David Attenborough series |
| 44% | AMERICANGREED | 13 | CNBC documentary series about white-collar crime that has been narrated by 43-Across since 2007 (2 wds.) |
| 43% | PLANETEARTH | 11 | Nature series narrated by Sigourney Weaver |
| 41% | DEAR | 4 | "___ White People" (Netflix series narrated by Giancarlo Esposito) |
| 41% | COPS | 4 | Documentary series parodied by "Reno 911!" |
| 41% | LIFE | 4 | "The ___ of Birds," documentary voiced by David Attenborough |
| 41% | DEAR | 4 | "___ White People" (Netflix comedy series narrated by Giancarlo Esposito) |
| 40% | MET | 3 | "How I ___ Your Father" (Hulu series narrated by Kim Cattrall) |
| 40% | THEBBC | 6 | Airer of many David Attenborough documentaries |
| 38% | EVER | 4 | "Never Have I ___" (Netflix coming-of-age series narrated by John McEnroe) |
| 38% | EVER | 4 | "Never Have I ___" (2020 Netflix coming-of-age series narrated by John McEnroe) |
| 37% | MIND | 4 | "The ___ of a Chef," cooking series narrated by Anthony Bourdain that aired on Netflix |
| 37% | ROSS | 4 | Character played by David Schwimmer in the TV series "Friends" |
| 35% | DISC | 4 | Planet's shape in a book series by Terry Pratchett |
| 35% | NCISORIGINS | 11 | Upcoming CBS prequel series narrated by Mark Harmon and starring 30-Across as 40-Across (2 wds.) |
| 35% | OUR | 3 | "___ Planet" (documentary series about wildlife) |
| 34% | MARS | 4 | "Life on ___?", 1971 song by David Bowie with the Red Planet in its title |
| 34% | MENINKILTS | 10 | Travel documentary series hosted by 16-Across and 35-Across (3 wds.) |
| 34% | BUDD | 4 | David ___, character played by Richard Madden in the BBC TV series "Bodyguard" |
| 33% | HUBBLE | 6 | 2010 space documentary narrated by DiCaprio |
| 33% | THEWIRE | 7 | Baltimore TV series by David Simon |
| 33% | OUR | 3 | "___ Planet" (nature documentary series) |
| 33% | ELEPHANT | 8 | 2020 Disney documentary narrated by Meghan Markle |
| 33% | CHANCE | 6 | "Last ___ to See," 1989 radio documentary series and book written by Douglas Adams and Mark Carwardine |
| 33% | OUR | 3 | "___ Planet" (David Attenborough docuseries) |
| 32% | WELCOME | 7 | "___ to Wrexham" (FX documentary series about the purchase of a U.K. football club by American actors) |
| 32% | LOVE | 4 | Netflix series co-created by Judd Apatow starring David Spade as Steven Hopkins |