Aired (March 19, 2022): Alam n'yo bang mayroong isang uri ng langaw na hindi binubugaw? 'Yan ang tinatawag na black soldier fly o BSF! Sa halip na bugawin, pinaparami pa ito dahil sa iba't ibang potensyal na pakinabang sa mga hayop, halaman at sa problema sa basura. #IWitness #AngLangawNaHindiBinubugaw

‘I-Witness’ is GMA Network's longest-running and most awarded documentary program. It is hosted by the country’s top documentarists --- Howie Severino, Atom Araullo, Sandra Aguinaldo, and Kara David. ‘I-Witness’ airs every Saturday, 10:30 PM on GMA Network.

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