Premieres Wednesday, Oct. 20, 2021 at 9 p.m. & Sunday, Oct. 24 at 2 p.m. on KPBS TV + Oct. 24 at 9 p.m. on KPBS 2 / On Demand. From crunchy crickets to nutty fly grubs, NOVA takes a tasty look at insect foods and how they could benefit our health and our warming planet.