Kill Bill... and Your Television

There's a fine line between doing something so cheesy it's ironically cool... and doing something that's so cheesy, it's just, well, uncool.

Enter Quentin Tarantino, who will be the guest judge on next week's "American Idol." Quentin will join Simon, Randy and Paula for "Movie Night," as the show's eight remaining finalists sing songs from their favorite movies.

Has Tarantino's shark finally jumped? Or did his cred set sail long ago? Guess we'll find out next week.