Season 1

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  7.5/10434 votes

  You Always Hurt the Ones You Love

  Season 1 Episode 1 - Aired 7/27/2014

  A drama about the clandestine race to build the world's first atomic bomb in Los Alamos, N.M., centers on a self-destructive professor who is commissioned to help lead the Manhattan Project in the series opener.

  Director: Thomas Schlamme

  Writer: Sam Shaw

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  7.7/10346 votes

  The Prisoner's Dilemma

  Season 1 Episode 2 - Aired 8/3/2014

  Frank attempts to save his team, and pays the price; at the same time, the wives get creative trying to make life on the Hill more interesting.

  Director: Thomas Schlamme

  Writer: Sam Shaw

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  7.6/10299 votes

  The Hive

  Season 1 Episode 3 - Aired 8/10/2014

  The loss of one of their own leaves the community reeling; and new security measures interfere with the work being performed by the scientists.

  Director: Christopher Misiano

  Writer: Nathaniel Halpern, Lisa Melamed

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  7.9/10293 votes

  Last Reasoning of Kings

  Season 1 Episode 4 - Aired 8/17/2014

  The arrival of a high-profile guest shakes things up. Frank is haunted by his past.

  Director: Paris Barclay

  Writer: Gideon Yago, Tom Spezialy

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  7.7/10293 votes

  A New Approach to Nuclear Cosmology

  Season 1 Episode 5 - Aired 8/24/2014

  Frank clashes with Charlie to protect Babbit, who has become the subject of an investigation.

  Director: Bill D'Elia

  Writer: Mark Lafferty, Noelle Valdivia

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  7.7/10273 votes

  Acceptable Limits

  Season 1 Episode 6 - Aired 8/31/2014

  Frank seeks medical answers; Charlie and Helen travel to survey an off-site reactor.

  Director: Michael Uppendahl

  Writer: Dustin Thomason

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  7.6/10272 votes

  The New World

  Season 1 Episode 7 - Aired 9/7/2014

  Helen and Charlie deal with a crisis; Abby embarks on a journey of self-discovery.

  Director: Rosemary Rodriguez

  Writer: Lila Byock, Dustin Thomason

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  7.9/10253 votes

  The Second Coming

  Season 1 Episode 8 - Aired 9/14/2014

  Both Charlie and Frank face serious questions as to the future of their projects.

  Director: Daniel Stern

  Writer: Sam Shaw, Dustin Thomason

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  7.8/10242 votes

  Spooky Action at a Distance

  Season 1 Episode 9 - Aired 9/21/2014

  Frank and Charlie hatch a plan.

  Director: Andrew Bernstein

  Writer: Mark Lafferty

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  7.8/10252 votes

  The Understudy

  Season 1 Episode 10 - Aired 9/28/2014

  An unexpected visitor arrives on the Hill.

  Director: Simon Cellan Jones

  Writer: Tom Spezialy

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  8.0/10257 votes

  Tangier

  Season 1 Episode 11 - Aired 10/5/2014

  A development overseas re-invigorates the hunt for a spy on The Hill. Charlie and Abby make a sacrifice when the plan with Frank is threatened.

  Director: Julie Anne Robinson

  Writer: Scott Brown

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  8.4/10273 votes

  The Gun Model

  Season 1 Episode 12 - Aired 10/12/2014

  Akley becomes vulnerable when he tries to fix Thin Man's shortcomings.

  Director: Daniel Attias

  Writer: Lila Byock

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  8.5/10285 votes

  Perestroika

  Season 1 Episode 13 - Aired 10/19/2014

  Frank is offered a life-changing opportunity. At the same time, the U.S. Army put Charlie on the hot seat.

  Director: Thomas Schlamme

  Writer: Sam Shaw