This guide covers , titled "The Blitzkrieg Button." The episode originally aired on January 27, 2015 , on ABC. How to Watch
You can officially stream or purchase the episode through the following platforms: : Available with a subscription on Disney+ .
In " The Blitzkrieg Button ," Howard Stark secretly returns to New York and asks Peggy Carter to retrieve a dangerous invention from the SSR—a device he calls the "Blitzkrieg Button," which he claims can cause a city-wide blackout. Fandango at Home
: Buy individual episodes or the full season on Amazon Prime Video , Google Play , Apple TV , or Fandango at Home .