Agent Carter (TV Show)

Marvel's Agent Carter (AKA Agent Carter) was a 2015 - 2016 American action-adventure series that aired on the ABC television network. Produced by ABC Studios and Marvel Television, it starred Hayley Altwell as the Marvel Comics character Peggy Carter, a secret agent living in 1940s America. Altwell had previously played the role in the 2011 film Captain America: The First Avenger as well as the 2013 "Marvel One-Shot" short film Agent Carter. The series aired for two seasons, with each season airing during the mid-season breaks of ABC's other Marvel Comics series, Agents of S.H.I.E.L.D. Although the series received positive reviews from critics, declining viewership in Season 2 led ABC to cancel the series. It costarred Dominic Cooper as wealthy industrialist Howard Stark and James D'Arcy as Stark's dedicated butler Edwin Jarvis.

A Sin to Err (Season 1, Episode 6)

Carter and Jarvis correctly guess that the Leviathan sniper who murdered Ray Krzeminski is a 'graduate' of the Soviet program to train young girls as killers, and try to figure out her current identity. Meanwhile, Sousa (Enver Gjokaj) incorrectly guesses that Carter is a traitor and orders the other agents to hunt her down. At SSR, Dr. Ivchenko (Ralph Brown) gets Agent Yauch (Alexander Carroll) alone and hypnotizes him. The hypnotized agent shows Ivchenko how to escape the facility, then obeys the doctor's command to kill himself. Carter identifies Dottie Underwood (Bridget Regan) as the sniper, but Underwood knocks her out, and Carter is arrested by SSR agents.

Snafu (Season 1, Episode 7)

As Carter is resisting interrogation at the SSR, Jarvis appears with a fake signed confession from Stark, promising surrender if Carter is released. Carter sees Ivchenko communicating in Morse code with Underwood, and reveals the truth about her own investigation to her colleagues to gain their trust. Ivchenko hypnotizes Dooley (Shea Whigham) and has him steal one of Stark's weapons from the SSR's labs: a gas cylinder that Underwood and Ivchenko activate in a crowded cinema before leaving and locking the door behind them. The agents find Dooley wearing a Stark experimental vest given to him by Ivchenko, which Jarvis explains will explode with no way to deactivate it. Dooley jumps out a window moments before the device detonates, killing him but saving the others. The gas in the cinema makes many in the audience become maniacal and attack each other violently, and when an usher arrives soon after, the entire audience is dead.

Valediction (Season 1, Episode 8)

The SSR discovers the gas cylinder in the cinema and realize that Ivchenko possibly plans to turn all of New York on itself. Stark returns and explains that he had developed the gas, named Midnight Oil, to give American soldiers extra stamina during war, but it caused psychosis and lead to them killing each other. During World War II, the American military stole Midnight Oil and used it on the Soviets at Finow. Stark believes that Ivchenko – real name Johann Fennhoff – blames Stark for the ensuing massacre, and allows the SSR to use him as bait to draw Leviathan out. This plan goes awry when Underwood distracts the agents while Fennhoff kidnaps Stark, and uses hypnosis to convince him to drop the gas on Times Square. At Stark's secret plane hangar, Sousa apprehends Fennhoff while Carter defeats Underwood (who escapes) and convinces Stark not to drop the gas on the city. Carter later discards Steve Rogers' blood in the East River, finally moving on with her life, while Fennhoff is imprisoned with the scheming Arnim Zola (Toby Jones).