This series aired from September 16, 2003 to May 14, 2007.
Abby | All of Us1 | As If | The Bad Girl's Guide | Between Brothers | Clueless | Cuts | DiResta | Eve | Everybody Hates Chris1 | Family Rules | Girlfriends1 | Good News | Grown Ups | Guys Like Us | Half & Half | Head Over Heels | Hitz | Homeboys in Outer Space | The Hughleys | In the House | Love, Inc. | Love Boat: The Next Wave | Malcolm & Eddie | Moesha | The Mullets | One on One | The Parkers | Pig Sty | Platypus Man | Power Play | The Random Years | Reunited | Rock Me Baby | Second Time Around | The Secret Diary of Desmond Pfeiffer | Shasta McNasty | Social Studies | Sparks | Sweet Valley High
Drama/Sci-fi: All Souls | The Beat | Buffy the Vampire Slayer | The Burning Zone | Deadly Games | Freedom | Haunted | Jake 2.0 | Kevin Hill | Legacy | Legend | Level 9 | Live Shot | The Love Boat: The Next Wave | Marker | Mercy Point | Nowhere Man | Platinum | Roswell | Secret Agent Man | The Sentinel | Seven Days | Sex, Love & Secrets | South Beach | Special Unit 2 | Star Trek: Enterprise | Star Trek: Voyager | The Strip | Swift Justice | The Twilight Zone | Veronica Mars1 | The Watcher
Games show/Reality: America's Greatest Pets | America's Next Top Model1 | Amish in the City | Britney & Kevin: Chaotic | Chains of Love | Get This Party Started | I Dare You!: The Ultimate Challenge | Iron Chef USA | Manhunt | R U the Girl? | The Road to Stardom with Missy Elliott | Under One Roof
Sports: WWF/WWE SmackDown!1 | XFL
Cartoon/Animations: Bureau of Alien Detectors | Dilbert | Game Over | Gary & Mike | Home Movies | The Incredible Hulk | Jumanji | The Mouse & The Monster | Space Strikers
Former programming blocks:' Disney's One Too | UPN Kids
1Moved to The CW Television Network for the 2006-07 television season.
All American | Burden of Truth | Charmed (2018) | Devils | Dynasty | The Flash | In the Dark | Kung Fu | Legacies | Masters of Illusion | Nancy Drew | The Outpost | Pandora | Penn & Teller: Fool Us | The Republic of Sarah | Riverdale | Roswell, New Mexico | Stargirl3 | Superman & Lois | Swamp Thing3 | Two Sentence Horror Stories | Walker | Whose Line Is It Anyway? (2013) | World's Funniest Animals
Upcoming programming: 4400 | Powerpuff | Legends of the Hidden Temple
Former programming: The 100 | 13: Fear is Real | 18 to Life | 4Real | 7th Heaven2 | 90210 | Aliens in America | All of Us1 | America's Next Top Model1 | Arrow | A Wicked Offer | Batwoman | The Beautiful Life: TBL | Beauty & the Beast | Beauty and the Geek2 | The Bill Cunningham Show | Black Lightning | Breaking Pointe | Capture | The Carrie Diaries | The Catalina | Cedric's Barber Battle | Containment | Crazy Ex-Girlfriend | Crowned: The Mother of All Pageants | Cult | CW Now | Easy Money | Emily Owens, M.D. | Everybody Hates Chris1 | Famous in 12 | Farmer Wants a Wife | Fly Girls | Frequency | The Game | Gilmore Girls2 | Girlfriends1 | Gossip Girl | H8R | Hart of Dixie | Hellcats | Hidden Palms | High Society | Hitched or Ditched | Hooten & the Lady | In Harm's Way | iZombie | Jane the Virgin | Judge Jeanine Pirro | Katy Keene | The L.A. Complex | DC's Legends of Tomorrow | Life is Wild | Life Sentence | Life Unexpected | Lifechangers | MAD TV (2016) | Melrose Place | The Messengers | The Next: Fame is at Your Doorstep | Nikita | No Tomorrow | Oh Sit! | One Tree Hill2 | Online Nation | The Originals | Perfect Score | Plain Jane | Privileged | Pussycat Dolls Present (The Search for the Next Doll | Girlicious) | Reaper | Reba2 | Reign | Remodeled | Ringer | The Robert Irvine Show | Runaway | The Secret Circle | Seed | Shedding for the Wedding | Significant Mother | Smallville2 | Star-Crossed | Stylista | Supergirl | Supernatural2 | The Tomorrow People | The Tyra Banks Show | Valentine | Valor | The Vampire Diaries | Veronica Mars1 | WWE Friday Night SmackDown1
Current programming blocks: One Magnificent Morning
Defunct programming blocks: Kids' WB | The CW4Kids | Toonzai | Vortexx
1Television program was carried over from UPN. 2Television program was carried over from The WB. 3Television program was carried over from DC Universe Infinite.
