Dr Christian Jessen and Dr Amir Khan and experts from Aberystwyth University test the health of the nation via urine samples. With 'pee pods" place in four major cities, members of the public are invited to provide samples, with the results revealing which residents drink too much alcohol and eat too much junk food. Elsewhere, a group of volunteers discover how factors like lifestyle, diet and pollution can be a cause for concern.
| Name | Type | Role | |
|---|---|---|---|
| Dr Christian Jessen | Host |