| Out of This World | ABC Television Limited | science fiction television series, anthology series | 1 | 13 |
| Out of Tune | BBC Children's and Education | comedy television series | 3 | 40 |
| Outlander | Starz | fantasy television series, drama television series, adventure television series, historical television series, romance television series | 8 | 101 |
| Outlander: Blood of My Blood | Starz | historical drama, romantic drama, time travel, fantasy television series, drama television series, romance television series | 2 | 12 |
| Outnumbered | BBC One | sitcom | 5 | 35 |
| Outrageous | — | drama | — | 6 |
| Outrageous Acts of Science | — | — | 7 | 87 |
| Outside Edge | — | — | — | — |
| Outside Man | — | documentary television program | — | — |
| Outsiders | — | — | — | — |
| Outtake TV | BBC One | comedy television series | — | — |
| OutTHERE | — | — | — | — |
| Over to William | — | — | — | — |
| Overseas Press Club - Exclusive! | — | — | — | 13 |
| Oxbridge Blues | BBC Two | — | — | 7 |
| Oxford Road Show | BBC Two | — | 5 | 63 |
| Oz and Hugh Raise the Bar | — | documentary film | 1 | 4 |
| Oz and James Drink to Britain | BBC Two | documentary film | 1 | 8 |
| P.O.W. | — | — | 1 | 6 |
| Pacific Abyss | — | documentary film | — | — |
| Packet of Three | Channel 4 | — | 2 | 16 |
| Paddington Green | — | reality television | 6 | 53 |
| Paddington Station 24/7 | — | documentary television program | — | — |
| Paddy's Show and Telly | — | game show | — | 2 |
| Paddy's TV Guide | Channel 4 | comedy television series | 1 | 8 |
| Paging You | BBC One | comedy television series | — | — |
| Pajanimals | Nick Jr. | comedy television series | 2 | 52 |
| Pandora's Box | BBC Two | documentary film, documentary television program | 1 | 6 |
| Panorama | BBC One | documentary film, documentary television program | — | 1,233 |
| Parade's End | BBC Two | drama television series | 1 | 5 |
| Paradise Café | CBBC | comedy drama, fantasy television series | 2 | 26 |
| Paradise Postponed | ITV | — | 1 | 11 |
| Paradox | BBC One | science fiction television series, drama television series | 1 | 5 |
| Parallel 9 | BBC One | children's television series | 3 | 64 |
| Paranoid | ITV | crime film | 1 | 8 |
| Paranormal? | National Geographic | documentary television program | 1 | 3 |
| Pardon My Genie | ITV | sitcom | 2 | 26 |
| Pardon the Expression | ITV | sitcom | 2 | 36 |
| Parent-Craft | — | — | — | — |
| Parenthood | BBC One | — | — | 5 |
| Parents of the Band | BBC One | sitcom | 1 | 6 |
| Paris | — | sitcom | 1 | 6 |
| Paris 1900 | ITV | — | — | 6 |
| Paris Hilton's British Best Friend | ITV2 | reality television | 1 | 8 |
| Park Avenue | — | soap opera | — | 1,445 |
| Parkin's Patch | — | — | — | — |
| Parkinson | BBC One, ITV | talk show | 31 | 540 |
| Parole | BBC Two | — | — | — |
| Partners in Crime | BBC One | — | 1 | 6 |
| Partners in Rhyme | — | — | — | 6 |
| Party Animals | BBC Two | — | — | 8 |
| PartyPoker.com Football & Poker Legends Cup | — | — | — | — |
| Pass the Buck | ITV | game show | 2 | — |
| Pass the Buck | BBC One | game show | 3 | 117 |
| Passenger | — | — | — | — |
| Passengers | — | — | — | — |
| Passport Quiz | — | — | — | — |
| Password | ITV | panel game | — | — |
| Pat & Cabbage | ITV | sitcom | 1 | 6 |
| Patagonia: Earth's Secret Paradise | — | — | — | 3 |