Discover
Phil Keoghan explores a mysterious river in Peru. Our correspondents investigate a sonic attack, sensory substitution and the secrets of snowflakes.
Original Release
12/17/2018
US Release
12/17/2018
Producers
| Name | Role |
|---|
| Bengt Anderson | Executive Producer |
| Catharine Park | Executive Producer |
| Alessandra Bellizia | Producer |
| Erin D. Cauchi | Producer |
| Samantha Grogin | Producer |
| Rob Muraskin | Producer |
| Emily Wynn | Producer |
