After several years as part of The WB Television Network'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.
Second live episode of the program Will & Grace is broadcast by NBC on both the East and West coasts of the USA.
High School Musical, arguably Disney Channel's most successful original movie, is released. It is shown about 12 times more to an audience of 37 million different people.
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.
18.46 million watch England vs Sweden in the 2006 FIFA World Cup, the UK's highest rated programme of the year.
MSG Network debuts SummerBall, a basketball series dedicated to the well-known summer streetball leagues in New York City. This was the first program ever broadcast by the network that was strictly dedicated to streetball in New York City.
Stargate SG-1 is cancelled 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 Sci-Fi series in American television history.
The company 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. 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.