Buffy the Vampire Slayer (1997)

S4E17 Superstar

Buffy begins to feel uneasy when Jonathan unexpectedly rises to fame and adoration among the residents of Sunnydale. As he basks in the spotlight, she suspects that his newfound popularity may not be entirely genuine. Buffy sets out to uncover the truth behind Jonathan's sudden hero status, worried that something sinister may be at play beneath the surface of his celebrated persona.