In the harsh glare of the television spotlight, Jerry Lewis—once America’s clown prince—clung to his career’s last, flickering embers as host of the MDA telethon. Year after year, he transformed himself from aging performer to compassionate champion, his image fueling one of America’s grandest spectacles of hope.

But backstage, old showbiz dreams collided with new corporate power. The air thickened with betrayal, as cutthroat producers and feuding personalities undermined Jerry’s influence. Friends became casualties: Mickey Rooney was nearly silenced, Mallory Lewis (and her puppet Lamb Chop) banished to the graveyard shift, and Jerry’s own son, Gary, was caught in the crossfire. Through sharp egos and whispered conspiracies, Jerry’s legendary rage surged, even as his health waned and his judgment grew uncertain.

Onstage, tears and mir ...