ABC‘s Agents of SHIELD Failed Experiments Review. Marvel’s SHIELD: The Agents of S.H.I.E.L.D. Podcast: Season 3, Episode 19: Failed Experiments is an audio podcast review in which FilmBook contributor Mike Smith discusses his reaction the latest episode of ABC’s Agents of SHIELD.Agents of SHIELD: Season 3, Episode 19: Failed Experiments‘ plot synopsis (spoilers): “Radcliffe’s [...]