Walt Disney spent thirty years building Disneyland before anyone would lend him the money to do it. Every bank said no. His own brother said no. He mortgaged his life insurance, sold his vacation home, and made a deal with a television network the rest of Hollywood considered an embarrassment. Black Sunday is a documentary podcast about the making of Disneyland — the vision, the financing, the construction chaos, and the catastrophic opening day that somehow launched the most visited tourist destination on earth.