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.