Every Brilliant Thing—a play about finding joy through a list-making practice during depression—has become a global phenomenon, performed in dozens of languages across hundreds of locations. Now starring Daniel Radcliffe on Broadway with Mariska Hargitay set to take over, the show uses radical audience participation to create communal healing experiences in theaters, aircraft carriers, and living rooms worldwide. The play transforms depression into a shared human experience by having audiences collaboratively create meaning through listing everyday brilliant things, shifting how viewers process mental health and suicide.