Agents of S.H.I.E.L.D.: Principia

"Principia" is the thirteenth episode of season five of the sci-fi/action series Marvel's Agents of S.H.I.E.L.D., and the ninety-ninth episode of the series overall. It was directed by Kate Woods with a script written by Drew Z. Greenberg. It first aired on ABC on Friday, March 16th, 2018 at 9:00 pm.