With humor and scientific rigor, this documentary lifts the veil on this eternal taboo and takes us all over the world to discover what the future holds for our toilets.
| Actor | Role |
|---|---|
 Bill GatesBill Gates | Bill Gates |
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With humor and scientific rigor, this documentary lifts the veil on this eternal taboo and takes us all over the world to discover what the future holds for our toilets.
| Actor | Role |
|---|---|
| Bill GatesBill Gates | Bill Gates |