Heroes | Season 4 | Episode 19 | Brave New World |

Everyone bands together to try to stop Samuel from taking the lives of thousands; Peter teams with an unexpected ally to save Emma; H.R.G.'s life hangs in the balance; Hiro comes to grips with decisions he has made.

Heroes | Season 4 | Episode 18 | The Wall |

Fueled by his vision of Emma in grave danger, Peter attempts to rescue Sylar from his worst nightmare. At the carnival, Samuel reveals H.R.G.s secret past in order to bring Claire to his side. Meanwhile, Lauren makes a bold move to put a stop to Samuel.

Heroes | Season 4 | Episode 17 | The Art of Deception |

.R.G. enacts his plan to take down the Carnival with the help of Lauren and Suresh. Sylar visits Matt looking to understand his desire to make a human connection, but Matt has a plan of his own. Meanwhile, Peter warns Emma of Samuel's intentions after his grim vision of the future.

Heroes | Season 4 | Episode 16 | Pass/Fail |

Sylar visits Claire, while Hiro's past decisions manifest subconsciously due to his brain tumor. Meanwhile, Samuel tries to impress Vanessa, his long-lost love, but things don't go as planned.

Heroes | Season 4 | Episode 15 | Close To You |

While Hiro and Ando attempt to save Suresh, Bennet tries to expose Samuel's weakness in his attempt to defeat the carnival leader.

Heroes | Season 4 | Episode 14 | Let it Bleed |

Claire joins the carnival but begins to suspect Samuel has a secret agenda. Bennet recruits Matt in his battle against Samuel, while Hiro goes to help a friend.

Heroes | Season 4 | Episode 13 | Upon This Rock |

As Claire becomes immersed into the world of the Carnival, she becomes increasingly suspicious of Samuel's motives. Hiro is on a mission to rescue one of his own, but has difficulty communicating his intentions to Ando. Samuel has his sight set on Emma and her ability to complete his master plan. Meanwhile, Sylar returns to the Carnival in search of answers and Peter continues to struggle with the loss of his brother.

Heroes | Season 4 | Episode 12 | The Fifth Stage |

Oah has a surprise run-in with visitors; Samuel makes progress on his plan; Peter goes to extremes to obtain what he wants; and Claire comes to an unexpected destination.

Heroes | Season 4 | Episode 11 | Thanksgiving |

H.R.G. hosts an untraditional Thanksgiving dinner. Elsewhere, the Petrelli family gets a surprise guest at their table. Meanwhile, Samuel continues to hold Hiro hostage, as Lydia goes in search for the truth.

Heroes | Season 4 | Episode 10 | Brother's Keeper |

Samuel learns just how powerful he can become and takes dangerous measures to reach his full potential. Meanwhile, as Tracy begins to lose control of her ability, one of her own comes in harms way. Elsewhere, Sylar continues his battle with Matt.

Heroes | Season 4 | Episode 9 | ShadowBoxing |

Claire is bent to get to the basal of the Sorority Rush attacks on her own, until H.R.G. intervenes alone to apprehend he may be the antecedent of her troubles. Meanwhile, Peter's new adeptness is a absolute fit for his job and gives him the befalling to advice Emma acquire her new life. Elsewhere, Sylar's action at accepting abounding ascendancy over Matt's physique escalates --with potentially alarming implications at stake.

Heroes | Season 4 | Episode 8 | Once Upon A Time In Texas |

When Hiro campaign three years into the past, he has a additional adventitious to save Charlie from the easily of Sylar. However, Samuel’s attendance serves to complicate Hiro’s mission even further. Elsewhere, H.R.G.’s accomplished with his Primatech accomplice is revealed.

Heroes | Season 4 | Episode 7 | Strange Attractors |

Matt goes to acute measures to extinguish Sylar, who continues to affliction him. Elsewhere, H.R.G. calls in a favor from Tracy to save a afflicted adolescent boy whose misfortunes resemble her own. While Claire and Gretchen are getting hazed by their new abode sisters, they apprehend alliance ability not be their better problem.

Heroes | Season 4 | Episode 6 | Tabula Rasa |

Under Samuel’s guidance, Sylar starts on a aisle to balance his accurate identity. Hiro helps Emma acquire and accept the abundant possibilities that go forth with accepting an ability. Meanwhile, Peter enlists HRG to advice him acquisition a healer who can save Hiro’s life.

Heroes | Season 4 | Episode 5 | Hysterical Blindness |

Samuel prepares for new additions to his family, while Lydia warns him of the consequences. Claire discovers that her acquaintance Gretchen may accept a hidden agenda. Meanwhile, Peter finds an abrupt way to affix with Emma, who would adopt to break distant. Elsewhere, a altered ancillary of Sylar emerges as he badly tries to bethink the being he acclimated to be.