The reveal of CeCe Drake as "Big A" altered how audiences approach serialized teen mystery dramas. It marked the moment where interactive, social-media-driven television ran up against the limits of its own plotting. The uproar over "Game Over, Charles" was not simply about who was beneath the black hoodie; it was a response to an ending that broke faith with the audience's attention to detail. Decades of serialized mysteries from Twin Peaks to Lost grappled with delivering satisfying conclusions, but Pretty Little Liars illustrated the perils of prioritizing a fleeting shock factor over character integrity and structural logic.