"Shades of Gray" is the nineteenth episode of the third season of the NBC superhero drama series Heroes and fifty-third episode overall. The episode aired on March 9, 2009. Plot Nathan Petrelli discovers Danko's plan to set up Matt Parkman as a terrorist to blow up in Washington D.C. While Matt is surrounded by police forces, Nathan flies over to talk to him. Danko sees Nathan with Matt on news channels, but decides to detonate the bomb anyway. However, "Rebel" intervenes by hacking into the network. Nathan urges Matt to use his powers to see if he can find out how to disarm the bomb by reading the minds of the police around him. Danko gains control of the bomb again, but Matt manages to disarm it in time. Nathan then punches Matt, who is then taken into custody. Later, Nathan tells Danko he will attempt to have him removed from the agency, though Danko responds by saying he heard Tracy Strauss mention Nathan was "one of us." Nathan meets with Tracy, urging her to not to divulge anything. When Danko enters her cell to ask her about Nathan possibly having powers, she replies she has no idea. Later, Danko talks with Noah Bennet about asking Angela Petrelli about Nathan. Noah warns Angela that Danko has set his sights on her, though she replies she'll be ready for him. Danko meets with Angela in New York, and attempts to discover if Nathan has an ability, pointing out that Nathan's brother, daughter and parents all had abilities. Angela denies it, and then brings up a certain incident in Danko's past that had involved the deaths of many people. At this, Danko is visibly stirred and leaves. Afterwards, Nathan notifies Danko that he's been fired after consulting with the President, and decides to appoint Noah in his place. Danko later confronts Nathan with a gun, but instead of killing him, he shoots at the window behind Nathan and pushes him through it. Nathan activates his ability to stop his fall, but in clear view of Danko; Nathan then flies away, leaving a bewildered Danko to ask Noah if he had any idea of it. Sylar finally arrives at his father Samson's house, an old run-down place that is falling apart. Samson seems indifferent when he meets Sylar, and when Sylar announces his intentions to kill him, he reveals he is already dying