2004 in television

Debuts

• January 7 - The Apprentice premieres on NBC (2004-present).
• January 13 - Shameless premieres on Channel 4 in the United Kingdom (2004-present).
• January 17 - Astro Boy premieres on Kids WB (2004-present).
• January 22 - Corner Gas debuts on CTV (2004-present).
• March 21 - Deadwood premieres on HBO (2004-present).
• April 3 - Danny Phantom premieres on Nickelodeon (2004-present).
• June 16 - Quintuplets premieres on the Fox Network (2004-present).
• July 16 - Stargate Atlantis, a spin-off of Stargate SG-1 premieres on Sci Fi channel (2004-present).
• July 18 - Entourage premieres on HBO (2004-present).
• August 16 - Call for Help 2.0 premieres in Canada (2004-present).
• September 3 - Green Wing premieres on Channel 4 in the United Kingdom (2004-present).
• September 9 - Joey premieres on NBC (2004-present).
• September 12 - Jack & Bobby premieres on The WB! (2004-present).
• September 22 - ' premieres (2004-present).
• September 22 - Lost premieres on ABC (2004-present).
• October 3 - Desperate Housewives premieres on ABC (2004-present).
• Blue Collar TV airs on WB and Comedy Central (2004-present).
• Boston Legal premieres (2004-present).
• Miguzi introduces and premieres on Cartoon Network during the old Toonami time slot (2004-present).