| 100% | COLUMBO | 7 | Long-running detective series starring Peter Falk |
| 51% | MANNIX | 6 | Long-running US television detective series starring Mike Connors in the title role |
| 48% | DAVISON | 7 | Peter —, actor who starred as 'Dangerous' Davies in ITV series The Last Detective |
| 47% | NANCYDREW | 9 | Long-running book series about a girl detective |
| 45% | PSYCH | 5 | USA detective series starring James Roday |
| 43% | GUNSMOKE | 8 | Long-running US Western television series that starred James Arness and Milburn Stone |
| 43% | SUPERNATURAL | 12 | Long-running TV fantasy series starring Jared Padalecki |
| 42% | ARCHER | 6 | Long-running adult animation series starring a philandering spy |
| 41% | THEORIGINALS | 12 | Long-running TV fantasy series starring Joseph Morgan (2 wds.) |
| 41% | ONCEUPONATIME | 13 | Long-running TV fantasy series starring Robert Carlyle (4 wds.) |
| 40% | COLUMBO | 7 | Determined TV detective played by Peter Falk |
| 39% | SIXFEETUNDER | 12 | 2001-05 US television comedy-drama series starring Peter Krause and Michael C Hall |
| 39% | OUR | 3 | "Days of ___ Lives," a long running-show starring Deidre Hall |
| 39% | DREW | 4 | "Nancy ___" (TV series starring Kennedy McMann as a teen detective) |
| 39% | COLUMBO | 7 | Homicide detective played by Peter Falk |
| 38% | FATHERBROWN | 11 | British detective series starring Mark Williams as a crime-solving Roman Catholic priest (2 wds.) |
| 38% | MONKEES | 7 | The —, 1960s US television series starring Peter Tork, Davy Jones, Michael Nesmith and Micky Dolenz |
| 38% | WOLF | 4 | "Teen ___," TV series starring Tyler Posey that ran for six seasons |
| 38% | KAY | 3 | Peter —, star of Channel 4 comedy series Phoenix Nights |
| 37% | MONK | 4 | Former TV series starring Tony Shalhoub as a detective with anxiety disorders |
| 37% | MINDY | 5 | "The ___ Project," TV series starring Ike Barinholtz that ran for six seasons |
| 37% | IDEAL | 5 | BBC TV comedy series starring Johnny Vegas that ran from 2005-11 |
| 37% | CSI | 3 | Long-running CBS series |
| 37% | CSI | 3 | Long-running forensic series |
| 37% | NCIS | 4 | Long-running CBS series |
| 37% | LOST | 4 | TV series starring Josh Holloway and Naveen Andrews that ran for six seasons |
| 37% | MURDERSHEWROTE | 14 | Long-running crime drama that starred 45-Across as mystery writer/amateur detective Jessica Fletcher (earning her 12 Emmy nominations) (3 wds.) |
| 37% | GEORGECOLE | 10 | Actor who starred as Arthur Daley in long-running ITV series Minder |
| 36% | COLUMBO | 7 | Television detective played by Peter Falk from 1968-2003 |