Cicadas
- Episode aired May 2, 2016
Billions of cicadas will soon emerge after spending 17 years underground. John Oliver fills them in on what's happened since 1999.Billions of cicadas will soon emerge after spending 17 years underground. John Oliver fills them in on what's happened since 1999.Billions of cicadas will soon emerge after spending 17 years underground. John Oliver fills them in on what's happened since 1999.