| Jan 3 | Medium | CBS, NBC | 7 | 130 | Thriller |
| Jan 3 | The Late Late Show with Craig Ferguson | CBS | 9 | 2,058 | Late-night talk show |
| Jan 3 | Toopy and Binoo | Treehouse TV | 2 | 47 | Comedy |
| Jan 4 | Committed | NBC | 1 | 13 | Sitcom |
| Jan 8 | The Will | CBS | 1 | — | Reality |
| Jan 9 | Celebrity Fit Club | VH1 | 7 | 56 | Reality |
| Jan 9 | Strange Love | VH1 | 1 | 11 | Reality |
| Jan 9 | Unscripted | HBO | 1 | 10 | Comedy-drama |
| Jan 9 | Zoey 101 | Nickelodeon | 4 | 65 | Teen sitcom |
| Jan 10 | American Dream Derby | Game Show Network | 1 | 8 | Reality |
| Jan 10 | Trato Hecho | Univision | — | — | Game show |
| Jan 11 | Queer Eye for the Straight Girl | Bravo | 1 | 13 | Reality |
| Jan 13 | Tilt | ESPN | 1 | 9 | — |
| Jan 14 | GameTrailers TV with Geoff Keighley | Spike TV | 11 | — | — |
| Jan 14 | Jonny Zero | Fox | 1 | 13 | Drama |
| Jan 14 | McBride | Hallmark Channel | — | 10 | Drama |
| Jan 17 | The Ultimate Fighter | Spike TV | 30 | 150 | Sports |
| Jan 18 | My Super Sweet 16 | MTV | 10 | 105 | Reality |
| Jan 19 | Point Pleasant | Fox | 1 | 13 | Soap opera |
| Jan 21 | American Dragon: Jake LongAnimated series | Disney XD, Disney Channel | 2 | 52 | Children's |
| Jan 23 | NUMB3RS | CBS | 6 | 118 | Procedural drama |
| Jan 23 | Pet AlienAnimated series | Cartoon Network | 2 | 52 | Comedy |
| Jan 24 | Digging for the Truth | History | 4 | 46 | — |
| Jan 25 | Nova ScienceNow | PBS | 6 | 30 | Documentary |
| Jan 29 | Moving Up | TLC | 5 | 62 | Reality |
| Jan 30 | House of CosbysAnimated series | Channel 101 | 1 | 4 | Animated sitcom |
| Jan 31 | Animal Cops: San Francisco | Animal Planet | — | — | Reality |
| Feb 2 | It Takes a Thief | Discovery Channel | 2 | 80 | Reality |
| Feb 5 | Power Rangers S.P.D. | Freeform, ABC | 1 | 38 | Police drama |
| Feb 6 | American Dad!Animated series | TBS, Fox | 22 | 399 | Surreal humour |
| Feb 6 | Puppy Bowl | Animal Planet | — | 18 | Action |
| Feb 8 | Deadly Women | Discovery Channel | 7 | 99 | — |
| Feb 8 | Most Outrageous Moments | NBC | — | 21 | Reality |
| Feb 14 | Cuts | UPN | 2 | 31 | — |
| Feb 15 | The Gastineau Girls | E! | 2 | 18 | Reality |
| Feb 18 | Miracle's BoysMiniseries | TeenNick | 1 | 6 | — |
| Feb 20 | Prime News Tonight | HLN | — | — | News |
| Feb 20 | Robot ChickenAnimated series | Adult Swim | 11 | 227 | Adult animation |
| Feb 20 | Showbiz Tonight | HLN | — | — | Entertainment |
| Feb 21 | Avatar: The Last AirbenderAnimated series | Nickelodeon | 3 | 61 | Fantasy |
| Mar 3 | Law & Order: Trial by Jury | TruTV, NBC | 1 | 13 | Drama |
| Mar 6 | Damage Control | MTV | 2 | 18 | Reality |
| Mar 6 | In the Womb | National Geographic | — | 7 | Documentary |
| Mar 6 | Intervention | A&E | 14 | 194 | Reality |
| Mar 6 | Iron Chef America | Food Network | 11 | 205 | — |
| Mar 7 | Mystery Diagnosis | Discovery Health Channel | 10 | 99 | Popularisation of science |
| Mar 7 | The Contender | NBCSN, ESPN | 4 | 50 | Reality |
| Mar 8 | Blind Justice | ABC | 1 | 13 | Drama |
| Mar 11 | Wonder ShowzenAnimated series | MTV2 | 2 | 16 | Adult animation |
| Mar 13 | Jake in Progress | ABC | 2 | 21 | Sitcom |
| Mar 15 | La ley del silencio | Telemundo | — | 32 | Telenovela |
| Mar 17 | E! Hollywood Hold'em | E! | 1 | 6 | — |
| Mar 18 | The Suite Life of Zack and Cody | Disney Channel | 3 | 87 | Teen sitcom |
| Mar 23 | Chasing Farrah | TV Land | 1 | 7 | Reality |
| Mar 24 | Life on a Stick | Fox | 1 | 13 | Sitcom |
| Mar 24 | The Office | NBC | 9 | 204 | Mockumentary |
| Mar 25 | Kojak | USA Network | 1 | 10 | Drama |
| Mar 25 | Krypto the SuperdogAnimated series | Cartoon Network | 2 | 39 | — |
| Mar 26 | Little House on the PrairieMiniseries | ABC | — | 6 | Drama |
| Mar 27 | Grey's Anatomy | ABC | 22 | 466 | Medical drama |
| Mar 29 | Invasion Iowa | | 1 | 4 | Reality |
| Mar 30 | Eyes | ABC | 1 | 12 | Drama |
| Mar 30 | Showdog Moms & Dads | Bravo | 1 | 8 | Reality |
| Apr 4 | Lost Worlds | History | 2 | 32 | Documentary |
| Apr 4 | Next | MTV | 6 | 288 | Dating game show |
| Apr 5 | Pinky Dinky DooAnimated series | HBO, Discovery Kids (Latin America) | 2 | 104 | Comedy |
| Apr 6 | Con | Comedy Central | 1 | 6 | — |
| Apr 6 | Meet the Barkers | MTV | 2 | 16 | Reality |
| Apr 8 | Living With Fran | The WB | 2 | 26 | Sitcom |
| Apr 12 | Battle of the Gridiron Stars | ESPN | 2 | 12 | — |
| Apr 12 | Deadliest Catch | Discovery Channel | 16 | 107 | Documentary |
| Apr 13 | RevelationsMiniseries | NBC | — | 6 | Mystery |
| Apr 13 | Stacked | Fox | 2 | 19 | Sitcom |
| Apr 18 | Fat Actress | Showtime | 1 | 7 | Sitcom |
| Apr 25 | Is It Real? | National Geographic | 2 | 28 | Documentary |
| May 6 | Sex Games: Vegas | Cinemax | 2 | 26 | — |
| May 8 | ElvisMiniseries | CBS | — | 2 | Biography |
| May 16 | HerculesMiniseries | NBC | 1 | 2 | Drama |
| May 17 | Britney and Kevin: Chaotic | UPN | 1 | 5 | Reality |
| May 21 | Game Show Moments Gone Bananas | VH1 | — | 5 | — |
| May 23 | Soñar no Cuesta Nada | Univision | — | 191 | Telenovela |
| May 24 | The Bad Girl's Guide | UPN | 1 | 6 | Comedy |
| May 28 | Rome | HBO, BBC Two | 2 | 22 | Historical drama |
| May 29 | Kept | VH1 | 1 | 10 | Reality |
| May 30 | Extraterrestrial | Channel 4 | 1 | 2 | — |
| May 30 | Hell's Kitchen | Fox | 25 | 383 | Reality |
| May 30 | The Life & Times of Juniper LeeAnimated series | Cartoon Network | 3 | 40 | Action |
| May 31 | Freddie | ABC | 1 | 22 | Sitcom |
| Jun 1 | Beauty and the Geek | The WB | 5 | 48 | — |
| Jun 1 | Dancing with the Stars | ABC, Disney+ | 29 | 459 | Talent show |
| Jun 1 | Sports Kids Moms & Dads | Bravo | 1 | 8 | Reality |
| Jun 4 | Lockup | MS NOW | 25 | 230 | Documentary |
| Jun 5 | Food Network Star | Food Network | 12 | 75 | Reality |
| Jun 5 | The Comeback | HBO | 3 | 29 | Sitcom |
| Jun 6 | The Scholar | ABC | — | — | Reality |
| Jun 7 | Fire Me...Please | CBS | 1 | 4 | Reality |
| Jun 8 | The Inside | Fox | 1 | 13 | Police procedural |
| Jun 9 | The Cut | CBS | 1 | 13 | Reality |
| Jun 10 | Into the WestMiniseries | TNT | 1 | 6 | Western |
| Jun 13 | Inside the Mafia | National Geographic Channel | 1 | 4 | Crime |
| Jun 13 | The Closer | TNT | 7 | 109 | Police procedural |
| Jun 15 | 30 Days | FX | 3 | 18 | Documentary |
| Jun 16 | Cathouse: The Series | HBO | 4 | 17 | Reality |
| Jun 17 | The Buzz on MaggieAnimated series | Disney Channel | 1 | 21 | Comedy |
| Jun 19 | 12 oz. MouseAnimated series | Adult Swim, Cartoon Network | 3 | 22 | Exploitation |
| Jun 20 | Wildfire | Freeform | 4 | 52 | Teen drama |
| Jun 26 | The Andy Milonakis Show | MTV2, MTV | 3 | 22 | Comedy |
| Jun 26 | Yacht RockWeb series | Channel 101 | 1 | 12 | Mockumentary |
| Jun 28 | Empire | ABC | 1 | 6 | — |
| Jun 29 | Stella | Comedy Central | 1 | 10 | — |
| Jun 30 | Being Bobby Brown | Bravo | 1 | 11 | Reality |
| Jul 5 | MTV's The 70s House | MTV | — | 10 | Reality |
| Jul 6 | Mind of Mencia | Comedy Central | 4 | 52 | Comedy |
| Jul 8 | Camp LazloAnimated series | Cartoon Network | 5 | 61 | Children's |
| Jul 9 | CatscratchAnimated series | Nickelodeon | 1 | 20 | Children's |
| Jul 9 | Time Warp TrioAnimated series | NBC, Discovery Kids | 1 | 26 | Science fiction |
| Jul 10 | Hogan Knows Best | VH1 | 4 | 43 | Reality |
| Jul 10 | The Princes of Malibu | Fox | 1 | 6 | Reality |
| Jul 11 | Rock Star: INXS | CBS | — | — | Reality |
| Jul 15 | Ooh, Aah & You | Playhouse Disney | 2 | 40 | — |
| Jul 18 | Second Chance | Telemundo, Caracol Televisión | — | 155 | Telenovela |
| Jul 19 | Miami Ink | TLC | 5 | 87 | Reality |
| Jul 20 | Criss Angel Mindfreak | A&E | 6 | 96 | Reality |
| Jul 20 | So You Think You Can Dance | Fox | 17 | 308 | Talent show |
| Jul 24 | Flip This House | A&E | 5 | 76 | Reality |
| Jul 25 | Anthony Bourdain: No Reservations | Travel Channel | — | 142 | Travel |
| Jul 25 | Kill Reality | E! | 1 | 8 | — |
| Jul 27 | Over There | FX | 1 | 13 | Drama |
| Jul 28 | The Law Firm | NBC | 1 | 8 | Reality |
| Jul 28 | Wild 'n Out | MTV, MTV2 | 8 | 313 | Comedy |
| Jul 31 | Beach GirlsMiniseries | Lifetime | — | 6 | Fiction |
| Jul 31 | Wanted | TNT | 1 | 13 | Police procedural |
| Aug 2 | Hi-Jinks | Nick at Nite | 2 | 18 | Reality |
| Aug 3 | Kathy Griffin: My Life on the D-List | Bravo | 6 | 48 | Comedy |
| Aug 4 | It's Always Sunny in Philadelphia | FXX, FX | 17 | 178 | Sitcom |
| Aug 4 | Starved | FX | 1 | 7 | LGBTQ |
| Aug 7 | American Princess | We TV | 2 | 14 | Reality |
| Aug 7 | Filthy Rich: Cattle Drive | E! | 1 | 8 | Reality |
| Aug 7 | The Girls Next Door | E! | 6 | 90 | Docu-soap |
| Aug 8 | Beautiful People | Freeform | 1 | 16 | Drama |
| Aug 8 | Too Late with Adam Carolla | Comedy Central | 1 | 50 | — |
| Aug 8 | Weeds | Showtime | 8 | 102 | Comedy-drama |
| Aug 10 | Taradise | E! | 1 | 10 | Reality |
| Aug 14 | Barbershop | Showtime | 1 | 10 | Sitcom |
| Aug 14 | My Kind of Town | ABC | 1 | 4 | — |
| Aug 16 | R. Tam SessionsWeb series | | — | 5 | — |
| Aug 16 | Tommy Lee Goes to College | NBC | — | 6 | Reality |
| Aug 17 | Battle of the Network Reality Stars | Bravo | 1 | 6 | Reality |
| Aug 19 | Hopeless PicturesAnimated series | IFC | 1 | 9 | Adult animation |
| Aug 19 | SuperNews!Animated series | Current TV | 2 | 67 | Comedy |
| Aug 21 | BratzAnimated series | Fox, CITV | 2 | 40 | — |
| Aug 22 | Firehouse TalesAnimated series | Cartoon Network | 1 | 26 | Children's |
| Aug 22 | Gerald McBoing-Boing | Cartoon Network | 1 | 52 | — |
| Aug 26 | Rachael Ray's Tasty Travels | Food Network | 5 | 56 | Cooking show |
| Aug 28 | Palmetto Pointe | Ion Television | 1 | 7 | — |
| Aug 29 | Prison Break | Fox | 5 | 90 | Drama |
| Sep 4 | Ribert and Robert's Wonderworld | PBS, American Public Television | 3 | 78 | Children's |
| Sep 5 | Danger Rangers | PBS | 1 | 16 | — |
| Sep 6 | Go, Diego, Go!Animated series | Nick Jr. Channel, Nickelodeon | 4 | 86 | Comedy |
| Sep 6 | NerdTV | PBS | 1 | 13 | — |
| Sep 8 | Reunion | Fox | 1 | 13 | — |
| Sep 10 | G.I. Joe: Sigma 6Animated series | Fox | — | 26 | Action |
| Sep 11 | My Fair Brady | VH1 | 3 | 31 | Reality |
| Sep 11 | The War at Home | Fox | 2 | 44 | Comedy |
| Sep 12 | Judge Alex | Syndication | 9 | 1,350 | Reality |
| Sep 12 | Martha | Syndication | 7 | 1,162 | Variety show |
| Sep 12 | The Tyra Banks Show | Syndication | 5 | 810 | Talk show |
| Sep 13 | Bones | Fox | 12 | 246 | Police procedural |
| Sep 13 | Engineering an Empire | History | 1 | 14 | Documentary |
| Sep 13 | Supernatural | The WB, TNT | 15 | 327 | Drama |
| Sep 14 | Head Cases | Fox | 1 | 7 | Drama |
| Sep 16 | Threshold | CBS, Sky One | 1 | 13 | Drama |
| Sep 16 | Twins | The WB | 1 | 18 | Sitcom |
| Sep 17 | Coconut Fred's Fruit Salad IslandAnimated series | Kids' WB | 2 | 13 | — |
| Sep 17 | Johnny TestAnimated series | The WB, Cartoon Network | 6 | 117 | Children's |
| Sep 17 | Loonatics UnleashedAnimated series | The WB | 2 | 26 | Science fantasy |
| Sep 17 | Mysterious IslandMiniseries | Hallmark Channel | — | — | Pirate |
| Sep 17 | The Showbiz Show with David Spade | Comedy Central | 3 | 39 | — |
| Sep 19 | Get EdAnimated series | Jetix, Disney XD | 1 | 26 | Science fiction |
| Sep 19 | How I Met Your Mother | CBS | 9 | 208 | Romantic comedy |
| Sep 19 | Just Legal | The WB | 1 | 8 | — |
| Sep 19 | Kitchen Confidential | Fox | 1 | 13 | Sitcom |
| Sep 19 | Out of Practice | CBS | 1 | 22 | LGBTQ |
| Sep 19 | Surface | NBC | 1 | 16 | Science fiction |
| Sep 20 | Firehouse USA: Boston | Discovery Channel | 1 | — | Reality |
| Sep 20 | My Name Is Earl | NBC | 4 | 96 | Sitcom |
| Sep 20 | TransGeneration | Sundance TV | 1 | 8 | LGBTQ |
| Sep 21 | E-Ring | NBC | 1 | 22 | Drama |
| Sep 21 | Invasion | ABC | 1 | 22 | Science fiction |
| Sep 21 | The Apprentice: Martha Stewart | NBC | — | 13 | Reality |
| Sep 22 | Criminal Minds | CBS | 19 | 365 | Drama |
| Sep 22 | Everybody Hates Chris | UPN | 4 | 88 | Sitcom |
| Sep 22 | Love, Inc. | UPN | 1 | 22 | Sitcom |
| Sep 23 | Ghost Whisperer | CBS | 5 | 107 | Fantasy |
| Sep 23 | Inconceivable | NBC | 1 | 9 | Drama |
| Sep 23 | Killer Instinct | Fox | 1 | 13 | Drama |
| Sep 23 | Three Wishes | NBC | 1 | 10 | Reality |
| Sep 26 | El amor no tiene precio | Las Estrellas | — | 280 | Telenovela |
| Sep 26 | The Good Night Show | Universal Kids/MeTV Toons | 6 | 3,876 | — |
| Sep 27 | Commander in Chief | ABC | 1 | 18 | Drama |
| Sep 27 | Sex, Love & Secrets | UPN | 1 | 10 | — |
| Sep 29 | Elizabeth IMiniseries | HBO | 1 | 2 | Drama |
| Sep 29 | Night Stalker | ABC | 1 | 10 | Thriller |
| Oct 1 | Flight 29 Down | Discovery Family, Discovery Kids on NBC | 2 | 30 | Drama |
| Oct 1 | Mississippi Rising | MS NOW | — | — | — |
| Oct 2 | Sunday Pants | Cartoon Network | 1 | 7 | — |
| Oct 3 | On the MoneyNews program | CNBC | — | — | — |
| Oct 3 | TrollzAnimated series | TFOU | 1 | 27 | Fantasy |
| Oct 4 | Close to Home | CBS | 2 | 44 | Drama |
| Oct 5 | Related | The WB | 1 | 18 | Comedy-drama |
| Oct 5 | The Adam Carolla Project | TLC | 1 | 13 | Reality |
| Oct 7 | Dante's Cove | HereTV | 3 | 12 | LGBTQ |
| Oct 7 | Hot Properties | ABC | 1 | 13 | Sitcom |
| Oct 9 | Johnny and the Sprites | Disney Channel | 2 | 26 | — |
| Oct 9 | Little EinsteinsAnimated series | Playhouse Disney, Disney Channel | 2 | 67 | Children's |
| Oct 13 | Run's House | MTV | 6 | 59 | Reality |
| Oct 16 | SquidbilliesAnimated series | Adult Swim | 13 | 110 | Comedy |
| Oct 17 | Miss Seventeen | MTV | 1 | 10 | Reality |
| Oct 17 | The Colbert ReportNews program | Comedy Central | 10 | 1,447 | Comedy |
| Oct 19 | Noah's Arc | Logo TV | 2 | 17 | Drama |
| Oct 20 | Ice-T's Rap School | VH1 | — | 6 | Reality |
| Oct 24 | I Love the '80s 3-D | VH1 | 1 | 10 | — |
| Oct 24 | Roush Racing: Driver X | Discovery Channel | 1 | — | Reality |
| Oct 28 | I Shouldn't Be Alive | Discovery Channel, Animal Planet | 5 | 58 | Documentary |
| Oct 28 | Masters of Horror | Showtime | 2 | 26 | Anthology |
| Oct 30 | Homewrecker | MTV | 1 | 8 | Reality |
| Oct 30 | Lucy, the Daughter of the DevilAnimated series | Adult Swim, Cartoon Network | 1 | 11 | Adult animation |
| Oct 31 | Geraldo at LargeNews program | Fox News, Syndication | — | — | Magazine format |
| Nov 4 | Jenna's American Sex Star | Playboy TV | 2 | 9 | — |
| Nov 4 | South of Nowhere | Noggin | 3 | 40 | LGBTQ |
| Nov 6 | The BoondocksAnimated series | Adult Swim | 4 | 55 | Comedy |
| Nov 17 | Iconoclasts | Sundance TV | 6 | 36 | Documentary |
| Nov 19 | Alien RacersAnimated series | Fox | — | 4 | Science fiction |
| Nov 25 | The X's | Nickelodeon | 1 | 21 | Animation |
| Dec 4 | Pope John Paul IIMiniseries | CBS | 1 | 2 | Biographical |
| Dec 4 | Sleeper Cell | Showtime | 2 | 18 | Drama |
| Dec 5 | Cash Cab | Discovery Channel, Bravo | 6 | — | Game show |
| Dec 5 | The TriangleMiniseries | Syfy | — | 3 | Science fiction |
| Dec 6 | Madden Nation | ESPN2 | 4 | 32 | American football video game |
| Dec 9 | A Haunting | Discovery Channel | 11 | 71 | Anthology |
| Dec 13 | Moral OrelAnimated series | Adult Swim | 3 | 43 | Comedy |
| Dec 14 | Sit Down Comedy with David Steinberg | TV Land | 2 | 12 | — |
| Dec 19 | Deal or No Deal | CNBC, NBC | 5 | 234 | Game show |
| Dec 19 | Morning CallNews program | CNBC, CNBC Europe | — | — | Business |
| Dec 19 | Squawk on the StreetNews program | CNBC | — | — | News |
| Dec 26 | My Gym Partner's a MonkeyAnimated series | Cartoon Network | 4 | 52 | Children's |
| Dec 27 | Ben 10Animated series | Cartoon Network | 4 | 52 | Fantasy |
| Dec 30 | Mr. Meaty | Nick at Nite, TeenNick | 2 | 20 | Comedy |
| — | 12 Corazones | Telemundo | 6 | — | Dating game show |
| — | Charlie the UnicornMiniseries | | — | 4 | Comedy |
| — | Classical BabyAnimated series | HBO | — | 5 | — |
| — | Empire FallsMiniseries | HBO | 1 | 2 | Drama |
| — | Human TraffickingMiniseries | Lifetime | 1 | 4 | Drama |
| — | I Bet | UPN | 1 | 9 | Reality |
| — | Man, Moment, Machine | History | 2 | 24 | Documentary |
| — | Mo'Nique's Fat Chance | Oxygen | 3 | — | Reality |
| — | Morning Express with Robin Meade | HLN, Sirius XM Rad | — | — | News |
| — | Mr. Romance | Oxygen | — | — | Reality |
| — | Necesito una AmigaTalk show | Cisneros Media | — | — | Talk show |
| — | Shaquille | ESPN | — | — | Reality |
| — | Stankervision | MTV2 | — | — | — |
| — | The Search for the Funniest Mom in America | Nickelodeon | — | 18 | Comedy |