The Blitzkrieg Button

"The Blitzkrieg Button" is the fourth episode of the first season of the American television series ''Agent Carter'', inspired by the films ''Captain America: The First Avenger'' and ''Captain America: The Winter Soldier'', and the Marvel One-Shot short film also titled ''Agent Carter''. It features the Marvel Comics character Peggy Carter as she must hide the fugitive Howard Stark while she retrieves the titular device for him, and is set in the Marvel Cinematic Universe (MCU), sharing continuity with the films of the franchise. The episode was written by Brant Englestein and directed by Stephen Cragg.

Hayley Atwell reprises her role as Carter from the film series, and is joined by regular cast members James D'Arcy, Chad Michael Murray, Enver Gjokaj, and Shea Whigham. Dominic Cooper guest stars as Stark, also reprising his role from the films. The titular device serves as a major connection to the film series, containing the blood of Captain America, the lead character of the aforementioned films.

"The Blitzkrieg Button" originally aired on ABC on January 27, 2015, and according to Nielsen Media Research, was watched by 4.63 million viewers. Provided by Wikipedia