| 100% | MIDSOMER | 8 | & 14D ITV drama series starring Neil Dudgeon and formerly John Nettles |
| 41% | DANGERMAN | 9 | 1960s ITV drama series starring Patrick McGoohan as John Drake |
| 39% | SIN | 3 | "It's a ___," 2021 period drama series starring Neil Patrick Harris and Olly Alexander |
| 39% | AFAMILYATWAR | 12 | 1970s ITV drama series starring Colin Douglas and Barbara Flynn |
| 39% | UPSTAIRS | 8 | 1970s ITV drama series starring Gordon Jackson and David Langton |
| 39% | BANDOFGOLD | 10 | 1990s ITV drama series starring Geraldine James and Cathy Tyson |
| 39% | SAM | 3 | 1970s ITV drama series starring both Kevin Moreton and Mark McManus in the title role |
| 38% | THEBARON | 8 | 1960s ITV drama series that starred Steve Forrest as John Mannering |
| 38% | REDCAP | 6 | 1960s ITV drama series that starred John Thaw as Sgt John Mann |
| 38% | SOFTLYSOFTLY | 12 | 1960s BBC TV police drama series starring Stratford Johns and Frank Windsor |
| 37% | LIFEONMARS | 10 | BBC TV drama series starring John Simm and Philip Glenister that ran from 2006-07 |
| 37% | SAM | 3 | 1970s ITV drama series that starred Kevin Moreton and Mark McManus in the title role |
| 36% | NOHONESTLY | 10 | 1970s ITV comedy series starring John Alderton and Pauline Collins |
| 35% | PROTECTORS | 10 | The —, 1970s ITV drama series starring Robert Vaughn and Nyree Dawn Porter |
| 35% | DUDGEON | 7 | Neil —, actor who stars as DCI John Barnaby in ITV series Midsomer Murders |
| 35% | DUDGEON | 7 | Neil -, actor who stars as DCI John Barnaby in ITV series Midsomer Murders |
| 34% | THEROYAL | 8 | 2003-11 ITV drama series starring Amy Robbins and Wendy Craig set in the fictional town of Elsinby |
| 33% | CONNIE | 6 | 1985 ITV drama series starring Stephanie Beacham in the title role |
| 31% | RATCATCHERS | 11 | The —, 1960s ITV spy drama series starring Gerald Flood, Glyn Owen and Philip Stone |
| 30% | TENKO | 5 | 1980s BBC TV drama series starring Ann Bell, Stephanie Cole and Claire Oberman |
| 30% | SHOGUN | 6 | Drama series starring Hiroyuki Sanada and Anna Sawai in early 17th-century Japan |
| 30% | SUITS | 5 | Legal drama series starring Meghan Markle and Gabriel Macht |
| 30% | JONES | 5 | Suranne —, actress who played DC Rachel Bailey in ITV drama series Scott and Bailey |
| 30% | NEWAMSTERDAM | 12 | NBC hospital drama series starring 37-Across, Janet Montgomery, and Freema Agyeman (2 wds.) |
| 30% | PSYCH | 5 | 2000s' USA Network comedy-crime drama series starring James Roday Rodriguez and Dule Hill |
| 30% | CARDIAC | 7 | & 3D 1990s BBC TV drama series starring Andrew Lancel, Helen Baxendale and Ace Bhatti |
| 29% | SAM | 3 | 1970s ITV drama series with both Kevin Moreton and Mark McManus in the title role |
| 29% | LALAW | 5 | US television drama series that starred Corbin Bernsen and Jill Eikenberry |
| 29% | BIGLITTLELIES | 13 | *2010s HBO drama series that starred Reese Witherspoon and Nicole Kidman |