Full episode 420: Neighborhood Watch Act Three Witness for the Poo-secution ByIra Glass Ira Glass tells the story of how science is being used to fight the ultimate neighborhood plague: Dog poop. (14 minutes) More in ScienceView all 689: Digging Up the Bones Dec. 6, 2019 Act Three: A Curious Bone David Kestenbaum tells the story of a man on the verge of one of the greatest scientific discoveries of all time … right on the verge. (4 minutes) 662: Where There Is a Will Nov. 16, 2018 Act Two: Life Is a Coin With One Side Producer David Kestenbaum took issue with the entire premise of today’s show, and explains why. 655: The Not-So-Great Unknown Aug. 24, 2018 Act One: So Over The Moon Producer David Kestenbaum tells the story of an astronaut who returns with a very unexpected view of the great beyond. More by Ira GlassView all 700: Embiggening Apr. 10, 2020 Act Three: Tunnel Vision A mysterious tunnel in Toronto leads to wild public speculation. 699: Fiasco! Apr. 3, 2020 Act Two: Squirrel Cop The first day on the job inevitably means mistakes, mishaps, and sometimes, fiascos. 697: Alone Together Mar. 20, 2020 Act Three: Mom Ira calls up his mother Shirley Glass after unexpectedly finding her quoted as a “sexpert” in Marie Claire magazine, back in 1996.