The Legend of Korra is still great in a vacuum 10 years after it ended. However, certain elements of the Last Airbender sequel series have aged quite poorly.
Nathan Fillion makes his debut as Guy Gardner in Superman: Legacy, and this version of Green Lantern is perfect for James Gunn's superhero filmmaking style.
There are plenty of TV show duds inspired by shows from the 1980s, 1990s, and 2000s, but these are the best TV remakes and revivals inspired by those decades.