| Jan 6 | Abby | UPN | 1 | 10 | — |
| Jan 6 | Antiques Roadshow | PBS | 25 | — | Reality |
| Jan 6 | Cram | Game Show Network | 2 | 80 | Game show |
| Jan 6 | Dirty Rotten Cheater | Ion Television | 1 | 6 | Game show |
| Jan 6 | Joe Millionaire | Fox | 1 | 6 | Reality |
| Jan 6 | Storm Stories | The Weather Channel | 9 | 371 | — |
| Jan 8 | The Bachelorette | ABC | 11 | 62 | Dating game show |
| Jan 9 | The Surreal Life | The WB | 6 | 61 | Reality |
| Jan 10 | Mister Sterling | NBC | 1 | 10 | — |
| Jan 10 | Queens Supreme | CBS | 1 | 13 | Comedy-drama |
| Jan 17 | That's So Raven | Disney Channel | 4 | 100 | Fantasy |
| Jan 18 | What Not to Wear | TLC | 10 | 345 | Reality |
| Jan 22 | Chappelle's Show | Comedy Central | 3 | 33 | Comedy |
| Jan 23 | MythBusters | Discovery Channel | 14 | 173 | Factual |
| Jan 24 | Penn & Teller: Bullshit! | Showtime | 8 | 89 | Comedy |
| Jan 26 | Jimmy Kimmel Live! | ABC | 23 | 3,588 | Talk show |
| Jan 27 | Miracles | ABC | 1 | 13 | Drama |
| Jan 27 | Veritas: The Quest | ABC | 1 | 13 | Treasure hunt |
| Feb 1 | Teenage Mutant Ninja TurtlesAnimated series | 4Kids TV | 7 | 155 | Fantasy |
| Feb 2 | Dragnet | ABC | 2 | 22 | Crime |
| Feb 2 | Kingpin | NBC | 1 | 6 | — |
| Feb 4 | A.U.S.A. | NBC | 1 | 12 | Sitcom |
| Feb 9 | Before We Ruled the Earth | Discovery Channel | — | 2 | Documentary |
| Feb 13 | Are You Hot? | ABC | 1 | 6 | Reality |
| Feb 15 | Power Rangers: Ninja Storm | ABC, Freeform | 1 | 38 | Tokusatsu |
| Feb 16 | The Venture Bros.Animated series | Cartoon Network, Adult Swim | 7 | 81 | Comedy |
| Feb 21 | Family Business | Showtime | 4 | 37 | Reality |
| Feb 21 | Real Time with Bill Maher | HBO | 17 | 210 | Talk show |
| Feb 24 | Hi-5 USA | Discovery Kids (Latin America), TLC | 2 | 71 | Children's |
| Feb 24 | My Big Fat Greek Life | CBS | 1 | 7 | Sitcom |
| Feb 24 | The Save-Ums | CBC Television | 2 | 78 | Animation |
| Feb 26 | Fraternity Life | MTV | 2 | 26 | College life |
| Mar 1 | American Chopper | Discovery Channel | 6 | 165 | Reality |
| Mar 1 | Stuart LittleAnimated series | HBO | 1 | 13 | Comedy |
| Mar 2 | Pat Sajak Weekend | Fox News | — | — | Talk show |
| Mar 3 | Sofía dame tiempo | Telemundo | — | 130 | Telenovela |
| Mar 4 | Hey Monie!Animated series | Oxygen | 3 | 25 | Animated sitcom |
| Mar 8 | Classmates | Fox | 2 | 96 | — |
| Mar 8 | Gerhard Reinke's Wanderlust | Comedy Central | — | 6 | Comedy |
| Mar 8 | Nashville Star | NBC, USA Network | — | 52 | Singing talent show |
| Mar 9 | Oliver Beene | Fox | 2 | 24 | Sitcom |
| Mar 11 | Strawberry ShortcakeAnimated series | CBS, Syndication | 4 | 22 | Comedy |
| Mar 12 | All American Girl | ABC | 1 | 9 | Reality |
| Mar 16 | Frank Herbert's Children of DuneMiniseries | Syfy | 1 | 3 | — |
| Mar 20 | On the Spot | The WB | 1 | 5 | Comedy |
| Mar 26 | Wanda at Large | Fox | 2 | 19 | Sitcom |
| Mar 28 | America's Most Talented Kid | Ion Television, NBC | 3 | 10 | Reality |
| Mar 28 | Regular Joe | ABC | 1 | 13 | Sitcom |
| Mar 28 | Tremors | Syfy | 1 | 13 | Science fiction |
| Mar 30 | Black Sash | The WB | 1 | 8 | — |
| Mar 30 | The Pitts | Fox | 1 | 7 | Sitcom |
| Mar 31 | Countdown with Keith OlbermannNews program | Current TV, MS NOW | — | — | News |
| Apr 1 | Lost at Home | ABC | 1 | 4 | — |
| Apr 1 | What Should You Do? | Lifetime | 2 | 29 | Reality |
| Apr 8 | Lucky | FX | 1 | 13 | Comedy |
| Apr 12 | All Grown Up!Animated series | Nickelodeon | 5 | 55 | Comedy |
| Apr 13 | Extreme Engineering | Discovery Channel | 9 | 77 | Documentary |
| Apr 14 | Platinum | UPN | 1 | 6 | — |
| Apr 15 | Punk'd | MTV | 10 | 67 | Comedy |
| Apr 19 | Hunter | NBC | 1 | 5 | Detective |
| Apr 20 | Helen of TroyMiniseries | USA Network | 1 | 2 | Period drama |
| May 1 | The Fabulous Life of... | VH1 | — | 209 | — |
| May 6 | Jim Rome Is Burning | ESPN, ESPN2 | — | 1,038 | — |
| May 6 | Warrior Challenge | PBS | 1 | 4 | Reality |
| May 17 | Trading Spaces: Boys vs. Girls | Discovery Family | 4 | 46 | — |
| May 20 | America's Next Top Model | UPN | 24 | 228 | Talent show |
| May 23 | Out There | Noggin | 2 | 26 | Drama |
| May 24 | WNBA on ABC | ABC | — | — | — |
| May 26 | Switched! | Freeform | 2 | 73 | Reality |
| May 26 | Unscrewed with Martin Sargent | TechTV | — | 214 | — |
| Jun 1 | Last Comic Standing | NBC | 9 | 76 | Reality |
| Jun 1 | Monster House | Discovery Channel | — | 60 | Reality |
| Jun 1 | Out of OrderMiniseries | Showtime | 1 | 6 | Comedy-drama |
| Jun 2 | For Love or Money | NBC | 4 | 25 | Reality |
| Jun 2 | The Golden Girls: Their Greatest Moments | Lifetime | — | — | — |
| Jun 3 | American Juniors | Fox | 1 | 17 | Singing talent show |
| Jun 3 | Hey JoelAnimated series | VH1 | 1 | 13 | Adult animation |
| Jun 3 | Keen Eddie | Fox | 1 | 13 | Police procedural |
| Jun 3 | Rebeca | Venevisión | — | 150 | Telenovela |
| Jun 4 | Celebrities Uncensored | E! | 2 | 23 | — |
| Jun 15 | Charlie Lawrence | CBS | 1 | 7 | LGBTQ |
| Jun 17 | I'm with Busey | Comedy Central | 1 | 13 | — |
| Jun 18 | Paradise Hotel | Fox | 3 | 54 | Reality |
| Jun 26 | Gary the RatAnimated series | Spike TV | 1 | 13 | Comedy |
| Jun 26 | Ren & Stimpy "Adult Party Cartoon"Animated series | Spike TV | 1 | 6 | Comedy |
| Jun 26 | StripperellaAnimated series | Spike TV, Paramount Network | 1 | 13 | Adult animation |
| Jun 27 | Dead Like Me | Showtime | 2 | 29 | Fantasy |
| Jun 30 | Computerman | Channel 101 | — | 6 | — |
| Jul 1 | WWE Diva Search | USA Network | 4 | 6 | Reality |
| Jul 7 | ¿Quién Tiene la Razón? | Sistema Brasileiro de Televisão | — | — | Talk show |
| Jul 11 | Evil Con CarneAnimated series | Cartoon Network | 2 | 14 | Science fiction comedy |
| Jul 11 | Free for AllAnimated series | Showtime | 1 | 7 | Animated sitcom |
| Jul 11 | Spider-Man: The New Animated SeriesAnimated series | MTV | 1 | 13 | Mystery |
| Jul 12 | Junkin' with Val and Dave | Turner South | 4 | 72 | — |
| Jul 13 | Dance Fever | Freeform | — | — | Reality |
| Jul 14 | History Detectives | PBS | — | — | Documentary |
| Jul 14 | Who Wants to Marry My Dad? | NBC | 2 | 11 | Reality |
| Jul 15 | Queer Eye | Bravo | 5 | 100 | Reality |
| Jul 19 | Teen TitansAnimated series | Cartoon Network | 5 | 65 | Children's |
| Jul 22 | Nip/Tuck | FX | 6 | 100 | LGBTQ |
| Jul 23 | Reno 911! | Comedy Central | 8 | 113 | Mockumentary |
| Jul 29 | Boy Meets Boy | Bravo | 1 | 6 | LGBTQ |
| Jul 30 | Peacemakers | USA Network | 1 | 9 | Western |
| Aug 1 | My Life as a Teenage RobotAnimated series | Nickelodeon | 3 | 40 | Science fiction |
| Aug 1 | Wild Card | Lifetime | 2 | 36 | Comedy-drama |
| Aug 2 | Missing | Lifetime, W Network | 3 | 55 | Crime |
| Aug 5 | The O.C. | Fox | 4 | 92 | LGBTQ |
| Aug 6 | The Real Roseanne Show | ABC | 1 | 2 | Reality |
| Aug 8 | Girls v. Boys | TeenNick | 4 | — | Reality |
| Aug 10 | Comedy Central Roast | Comedy Central | — | 14 | Roast |
| Aug 11 | Animal Cops: Houston | Animal Planet | — | — | Reality |
| Aug 18 | I Love the '70s | VH1 | — | 10 | — |
| Aug 19 | Newlyweds: Nick and Jessica | MTV | 3 | 41 | Reality |
| Aug 19 | Wild West Tech | History | — | 34 | — |
| Aug 21 | WatermanWeb series | Newgrounds | 1 | 9 | — |
| Aug 23 | Duck DodgersAnimated series | Cartoon Network | 3 | 39 | Children's |
| Aug 26 | Playmakers | ESPN | 1 | 11 | LGBTQ |
| Aug 31 | Mystery Woman | Hallmark Channel | — | 11 | Drama |
| Sep 1 | Clifford's Puppy Days | PBS, PBS Kids | 3 | 63 | — |
| Sep 1 | Ride with Funkmaster Flex | Spike TV | 2 | — | — |
| Sep 1 | Tactical to Practical | History | 3 | — | — |
| Sep 2 | The Joe Schmo Show | Spike TV | 3 | 29 | Reality |
| Sep 3 | Clean House | Esquire Network | 10 | 164 | Reality |
| Sep 7 | Carnivàle | HBO | 2 | 24 | Mystery |
| Sep 7 | Fear Factor | MTV, NBC | 8 | 184 | Game show |
| Sep 7 | Jacob Two-TwoAnimated series | YTV | 5 | 62 | Comedy |
| Sep 7 | Jakers! The Adventures of Piggley WinksAnimated series | PBS Kids, PBS | 3 | 52 | — |
| Sep 8 | Amor Descarado | Telemundo | — | 126 | Telenovela |
| Sep 8 | Anderson Cooper 360°News program | CNN | — | 1,826 | News commentary podcast |
| Sep 8 | Starting Over | | 3 | 270 | Reality |
| Sep 8 | The Ellen DeGeneres Show | Syndication | 19 | 3,339 | Talk show |
| Sep 9 | Happy Family | NBC | 1 | 22 | Sitcom |
| Sep 9 | Whoopi | NBC | 1 | 22 | Sitcom |
| Sep 10 | Jake 2.0 | UPN | 1 | 16 | Science fiction |
| Sep 11 | Run of the House | The WB | 1 | 19 | Sitcom |
| Sep 11 | Steve Harvey's Big Time Challenge | The WB | 2 | — | — |
| Sep 11 | The Mullets | UPN | 1 | 11 | Sitcom |
| Sep 12 | All About the Andersons | The WB | 1 | 16 | Sitcom |
| Sep 13 | Eye for an Eye | Syndication | 5 | — | — |
| Sep 13 | Romeo! | Nickelodeon | 4 | 53 | Teen sitcom |
| Sep 14 | K Street | HBO | 1 | 10 | Drama |
| Sep 15 | Eve | UPN | 3 | 66 | Sitcom |
| Sep 15 | Rock Me Baby | UPN | 1 | 22 | Sitcom |
| Sep 15 | Ángel de la guarda | Caracol Televisión | — | 122 | Telenovela |
| Sep 16 | All of Us | UPN | 4 | 88 | Sitcom |
| Sep 18 | Threat Matrix | ABC | 1 | 16 | Drama |
| Sep 19 | Like Family | The WB | 1 | 22 | Sitcom |
| Sep 19 | Luis | Fox | 1 | 11 | Sitcom |
| Sep 20 | Lilo & Stitch: The SeriesAnimated series | Disney Channel | 2 | 65 | Children's |
| Sep 20 | Unexplained Mysteries | Syndication | 1 | 26 | — |
| Sep 22 | Las Vegas | NBC | 5 | 106 | Comedy-drama |
| Sep 22 | Two and a Half Men | CBS | 12 | 262 | Sitcom |
| Sep 23 | I'm with Her | ABC | 1 | 22 | Sitcom |
| Sep 23 | NCIS | CBS | 24 | 507 | Action |
| Sep 23 | One Tree Hill | The CW, The WB | 9 | 187 | Youth |
| Sep 24 | The Brotherhood of Poland, New Hampshire | CBS | 1 | 9 | — |
| Sep 25 | Coupling | NBC | 1 | 10 | Sitcom |
| Sep 26 | Hope & Faith | ABC | 3 | 73 | Comedy |
| Sep 26 | Joan of Arcadia | CBS | 2 | 45 | Fantasy |
| Sep 26 | Miss Match | NBC | 1 | 18 | Comedy-drama |
| Sep 26 | The Handler | CBS | 1 | 16 | — |
| Sep 27 | Teen Kids NewsNews program | Syndication | 11 | 687 | Children's |
| Sep 28 | 10-8 | ABC | 1 | 15 | Drama |
| Sep 28 | Cold Case | CBS | 7 | 156 | Crime |
| Sep 28 | JoJo's CircusAnimated series | Disney Channel | 3 | 59 | Children's |
| Sep 28 | The Lyon's Den | NBC | 1 | 13 | — |
| Oct 1 | It's All Relative | ABC | 1 | 22 | Comedy |
| Oct 1 | Karen Sisco | ABC | 1 | 10 | Drama |
| Oct 3 | Married to the Kellys | ABC | 1 | 22 | Sitcom |
| Oct 4 | Battlefield Detectives | History | 4 | 32 | — |
| Oct 4 | Generation Jets | WCBS-TV | 1 | 13 | — |
| Oct 4 | Simply Ming | PBS, WGBH-TV | 14 | 366 | Cooking show |
| Oct 5 | Be the Creature | National Geographic, Canadian Broadcasting Corporation | 2 | 30 | — |
| Oct 5 | Tarzan | The WB | 1 | 8 | Adventure |
| Oct 6 | Knock First | Freeform | 2 | 24 | Reality |
| Oct 6 | The Big Break | Golf Channel | — | — | Reality |
| Oct 8 | The Walking Dead | AMC | 11 | 177 | Post-apocalyptic |
| Oct 12 | Shootout | AMC | 5 | 192 | — |
| Oct 13 | Room Raiders | MTV | 8 | — | Reality |
| Oct 17 | VH1 ILL-ustratedAnimated series | VH1 | 2 | 13 | Adult animation |
| Oct 19 | When Ruled the World | VH1 | — | 12 | Documentary |
| Oct 20 | I Love the '80s Strikes Back | VH1 | 1 | 10 | — |
| Oct 20 | Skin | Fox | 1 | 8 | Drama |
| Oct 22 | Kid NotoriousAnimated series | Comedy Central | 2 | 9 | Adult animation |
| Oct 26 | Viva La Bam | MTV | 5 | 40 | Reality |
| Oct 26 | Wildboyz | MTV2, MTV | 4 | 32 | Comedy |
| Oct 29 | A Minute with Stan Hooper | Fox | 1 | 13 | Sitcom |
| Oct 30 | Tru Calling | Fox | 2 | 26 | Science fiction |
| Nov 1 | Kenny the Shark | NBC, Discovery Kids on NBC | 2 | 26 | — |
| Nov 1 | TutensteinAnimated series | Discovery Kids | 3 | 39 | — |
| Nov 1 | Xiaolin ShowdownAnimated series | Kids' WB, The WB | 3 | 52 | Fantasy |
| Nov 3 | Average Joe | NBC | 4 | 25 | Reality |
| Nov 3 | Extreme Makeover: Home Edition | ABC | 9 | 200 | Reality |
| Nov 7 | Dirty Jobs | Discovery Channel | 8 | 169 | Reality |
| Nov 7 | Star WarsAnimated series | Cartoon Network | 3 | 25 | Fantasy |
| Nov 9 | Yakkity YakAnimated series | Cartoon Network | 1 | 52 | Comedy |
| Nov 10 | Sabrina's Secret LifeAnimated series | Syndication | 1 | 26 | Fantasy |
| Nov 12 | I Married... | VH1 | 1 | 7 | Reality |
| Dec 2 | Celebrity Poker Showdown | Bravo | 5 | 48 | — |
| Dec 2 | Line of Fire | ABC | 1 | 13 | Crime |
| Dec 2 | The Simple Life | Fox, E! | 5 | 55 | Reality |
| Dec 2 | The Tracy Morgan Show | NBC | 1 | 18 | Sitcom |
| Dec 3 | The Wrong CoastAnimated series | AMC, Crave | — | — | — |
| Dec 7 | Angels in AmericaMiniseries | HBO | 1 | 6 | Fantasy |
| Dec 8 | Battlestar Galactica | Syfy | 4 | 75 | Adventure |
| Dec 14 | Dinosaur PlanetMiniseries | Discovery Channel | 1 | 4 | Nature documentary |
| Dec 25 | WWE Tribute to the Troops | USA Network, UPN | — | 11 | Sports entertainment |
| — | Deep Sea Detectives | History | — | 74 | — |
| — | High School Reunion | The WB | — | — | Reality |
| — | Princess Natasha | AOL | 2 | 44 | — |
| — | Scare Tactics | Syfy, Chiller | 4 | 114 | Reality |
| — | Sell This House | A&E | 9 | 170 | — |
| — | Still Life | Fox | 1 | 6 | — |
| — | Surviving Nugent | VH1 | — | — | Reality |
| — | Whose Wedding Is It Anyway? | Esquire Network | — | — | Reality |