| 100% | FIREFLY | 7 | Critically acclaimed 2002 sci-fi drama series starring Nathan Fillion that was canceled after 1 season |
| 65% | HUMAN | 5 | "Almost ___," critically acclaimed 2013 sci-fi drama series starring Karl Urban that was canceled after one season |
| 58% | ROME | 4 | Critically acclaimed 2005 drama series starring Ray Stevenson that was canceled after just two seasons |
| 55% | GEEKS | 5 | "Freaks and ___," critically acclaimed 1999 drama series starring Linda Cardellini that was canceled after one season |
| 54% | TWIN | 4 | "___ Peaks," critically acclaimed '90s drama series starring Kyle MacLachlan that was canceled after just two seasons |
| 38% | FIREFLY | 7 | 2002 space opera starring Nathan Fillion, canceled after one season despite good reviews |
| 33% | FREAKSANDGEEKS | 14 | Comedy TV series starring Linda Cardellini, that got "canceled too soon," after only 1 season: 3 wds. |
| 32% | BLOODDRIVE | 10 | Syfy's dystopian series starring Alan Ritchson which was canceled after one season: 2 wds. |
| 32% | CASTLE | 6 | 2000s' ABC crime drama series starring Nathan Fillion and Stana Katic |
| 31% | FREAKSANDGEEKS | 14 | NBC drama series starring Seth Rogen and James Franco which was canceled after one season: 3 wds. |
| 30% | STARTREK | 8 | NBC's sci-fi series which was canceled after three seasons but went on to achieve cult status: 2 wds. |
| 29% | WIRE | 4 | "The ___," acclaimed crime drama series starring Idris Elba that was nominated for just 2 Emmys and did not win any |
| 28% | FRINGE | 6 | Sci-fi TV series starring John Noble that featured an animated episode in season 3 |
| 28% | CSI | 3 | Drama that was the #1 show of the season from fall 2002 to spring 2005 |
| 28% | DEADWOOD | 8 | Western TV series starring Timothy Olyphant and Ian McShane, that got "canceled too soon," after only 3 seasons |
| 28% | CSI | 3 | Crime drama that was the #1 show of the 2002-2003 TV season |
| 27% | THISISUS | 8 | Family drama series starring Sterling K. Brown that aired its final season in 2022: 3 wds. |
| 27% | SILO | 4 | Sci-fi TV series starring Rashida Jones that is set in a dystopian future where people exist only in a grain-storing tower |
| 27% | BIGLITTLELIES | 13 | HBO drama series starring Reese Witherspoon that was based on a bestselling Liane Moriarty novel: 3 wds. |
| 26% | FIREFLY | 7 | Space-western series starring Nathan Fillion |
| 26% | CARBON | 6 | "Altered ___," cyberpunk sci-fi TV series starring Chris Conner that is set in 2384 |
| 25% | FIREFLY | 7 | Joss Whedon space-western TV series starring Nathan Fillion |
| 25% | CASTLE | 6 | ABC crime mystery series starring Nathan Fillion and Stana Katic |
| 25% | EXPANSE | 7 | "The ___," sci-fi TV series starring Steven Strait that is set in a future where humans colonize the Solar System |
| 25% | BERLIN | 6 | "Babylon ___," 2017 German series starring Liv Lisa Fries that was one of the most expensive period dramas ever made |
| 25% | CASTLE | 6 | ABC's crime comedy series starring Nathan Fillion and Stana Katic |
| 25% | HILLS | 5 | "Beverly ___, 90210," 1990 drama series starring Luke Perry that is set in Los Angeles |
| 25% | RAY | 3 | "___ Donovan," 2009 crime drama series starring Liev Schreiber that is set in Los Angeles |
| 24% | THEXFILES | 9 | Sci-fi TV series that originally aired from 1993 to 2002: 2 wds. |
| 24% | LIFEONMARS | 10 | 2008-2009 ABC sci-fi crime drama series that was a remake of a British TV series: 3 wds. |