Watch Series: Keuringsdienst van Waarde Released in (2003) - Season 20 produced by NL, Nl, The TV Series categorized in Documentary, and content rating NR with duration 25 min broadcasted as these networks KRO-NCRV, Streamed at Putlocker \"De Keuringsdienst van Waarde\" is a consumer television program. The program tries to give insight in the production of food and other consumer products and tries to show where things go wrong or are different from what you might expect.By asking simple questions to aid lines of producers, as naive but persisting consumer, they get sometimes hilarious and\/or revealing answers. - Season 20