We rank the best anime theme songs of the 2000s, including Death Note, Naruto, and Fullmetal Alchemist: Brotherhood.

Here's how a cartoon series’ ending theme made me cry without ever watching the show – and why I needed it to.

The theme song might claim "the fun will never end," but the Adventure Time TV series eventually did conclude. There's a reason it's one of the most popular cartoons to date. Throughout the series ...