2003 — cartoonnetwork

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2002

Timeline

2004

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The following is a list of events, premieres, releases, cancellations, series endings, and other business ventures for Cartoon Network in 2003.

Notable Events

January 20: The Powerhouse bumpers receive a major overhaul. The "Powerhouse" remixes are inexplicably dropped, replaced with background music from the shows themselves. Also, prior to 2003, some shows had multiple patterns of bumpers, which were unified into one pattern afterward. In addition, the majority of the bumpers seen from 2003 to 2004 only had the blue and purple backgrounds, as the green, yellow, and dark blue bumpers were long gone by the beginning of 2003 (with the strange exceptions of the "Coming Up Next" bumpers until May 2003).
April 1: April Fools' Day Monkey Marathon aired, from 8:00 AM to 11:00 PM.
April 13: Hamtaro Mini Marathon aired, from 5:00 PM to 7:00 PM.
May 11: Mother's Day Wilma-thon aired, from 12:00pm to 7:00pm.
May 23: The Powerpuff Girls Movie Premiere Weekend aired until May 26.
June 6: Cartoon Network's Funniest Bloopers and Other Embarrassing Moments aired.
November 27: Thanksgiving Day Cartoons Marathon aired from 8:00 AM to 10:00 PM.

January 12: Adult Swim begins airing on weekdays, with the exception of Fridays. The Saturday action block is also dropped until April 17, 2004. In addition, the block receives its first rebrand, as the bumpers featuring old people swimming are replaced with bumpers featuring pages of a handbook. To celebrate the rebrand, reruns of soon-to-be cancelled FOX show, Futurama, are added to the block, a move which later results in the show’s revival on Comedy Central.
March 1: Saturday Video Entertainment System debuts.
May 16: Cartoon Cartoon Fridays ended. Dexter hosted the final night.
May 23: Summer Fridays premiered.
May 25: Adult Swim receives another complete overhaul when it unveils its iconic black-and-white text bumpers, which remain to this day.
June 2: Camp Cartoon premiered.
September 6: Cartoon Network's Fridays debuted.
October 3: The New Fridays debuted. Tommy Snider and Nzinga Blake hosted the first night.
November 3: November Premieres begins.
November 26: November Premieres ended.