'Euphoria' and its stars have grown up. That's a bad thing.

Sydney Sweeney in "Euphoria" season three. Courtesy of HBO "Euphoria" returned on Sunday for its third and potentially final season. Once a dramatic and lucrative juggernaut for HBO, the series has become a shell of its former self. The cast has outgrown "Euphoria," and the characters have literally outgrown the show's premise. Zendaya was gearing up for a big spring. As she busied herself with interviews and PR stunts to promote her twisty new A24 movie, "The Drama," and shared trailers fo...