NBC Universal ends the channel program Trio and in its place begins Sleuth, a 24-hour entertainment cable TV channel dedicated to the crime, mystery and suspense genres.
After several years as part of The WB's weekday programming sequence, The WB ends its weekday afternoon Kids' WB animation sequence. Kids' WB was relegated to Saturday mornings, and the weekday block is replaced by Daytime WB.
Last first-broadcast episodes to date of the long-running TV series Soul Train. Reruns of the previous season are broadcast until October, when "The Best of Soul Train" reruns from the 1970s and 1980s begin being broadcast instead of new episodes.
Blue's Clues, the preschool television series which pioneered its genre by encouraging viewer participation, airs its final episode on Nickelodeon after six seasons in almost 10 years on the air. Its spin-off series Blue's Room will continue airing until March of the following year.
Rap City host Mad Linx quits the show and is replaced by Q45.
Stargate SG-1 is canceled officially by SCI FI Channel after the premiere broadcast of the show's 200th episode after just five poor rated episodes. The tenth, and possibly final, season makes the show the longest broadcast science fiction series in American television history.
The CW network debuts as the sixth broadcast network, merging with UPN (owned by CBS which split in the original Viacom, three days after UPN ceased operations) and The WB (owned by Warner Bros., a day after The WB ceased operations).
NBC Universal announces a major restructuring in order to save US$750 million after several years of decreasing ratings. Among the changes is the announcement that NBC will no longer broadcast scripted dramas or comedies during the first hour of prime time, emphasizing instead less-expensive reality and game shows during those hours. Its news division is also trimmed. The announcement is made despite the early success of several new NBC series such as Heroes.
Nickelodeon broadcasts a 24-hour marathon of SpongeBob SquarePants starting at 8:00 PM leading to the new episode the following day. The marathon increased Nickelodeon's ratings to an average of more than 6.7 million viewers and became the network's most highest-rated day ever.