"Persona" effectively marked the "beginning of the end" for many original series elements:
: The episode deepens the mystery of Lionel’s redemption as he attempts to protect Clark's secret.
: Many viewers argue that Lana should have known it wasn't Clark, especially given "Bizarro's" sudden willingness to be intimate and open.
: Bizarro continues to pose as Clark, living a blissful life with Lana Lang while the real Clark is frozen in the Fortress of Solitude.
: For a deep dive into the technical directing or the Writers' Strike context?