第 4 季 共 19 集
播出时间：2009年9月22日
第 1 集 Orientation
播出时间：2009年9月22日
Six weeks after Matt and the others wiped Sylar's mind, the Heroes attempt to go on living normal lives. We are introduced to "family" of carnies with abilities. Angela Petrelli and H.R.G. are in the works of restoring The Company while Claire makes new "friends" at school. Tracy is still hunting everyone from Building 26. Meanwhile, Hiro and Ando start a "Heroes for Hire" business.
第 2 集 Jump, Push, Fall
播出时间：2009年9月22日
Claire and her new friend Gretchen investigate the death of Claire's roommate Annie, while Noah comes to Peter for assistance. Samuel and Edgar recover the compass, Hiro realizes his new destiny, and Matt is tormented with mental images from a dangerous foe.
第 3 集 Ink
播出时间：2009年9月29日
Peter faces unexpected consequences for his heroic acts and encounters a reluctant new hero. As Claire continues to adjust to college life, she must figure out how to deal with her ability having been revealed. Meanwhile, Samuel moves heaven and earth to recapture the memories of his late brother Joseph. Elsewhere, Matt struggles with his internal demons as Sylar mysteriously resurfaces.
第 4 集 Acceptance
播出时间：2009年10月6日
As "Nathan" starts displaying new powers, he has visions of an incident from his past involving a young girl and decides to investigate. Hiro tries to save a co-worker and learns a truth about himself. Tracy tries to regain her old life and job.
第 5 集 Hysterical Blindness
播出时间：2009年10月13日
Samuel prepares for new additions to his family, while Lydia warns him of the consequences. Claire discovers that her roommate Gretchen may have a hidden agenda. Meanwhile, Peter finds an unexpected way to connect with Emma, who would prefer to stay distant. Elsewhere, a different side of Sylar emerges as he desperately tries to remember the person he used to be.
第 6 集 Tabula Rasa
播出时间：2009年10月20日
"Tabula Rasa" is the fifth episode of the fourth season of the NBC science fiction drama series Heroes and sixty-fourth episode overall. The episode aired on October 19, 2009.
第 7 集 Strange Attractors
播出时间：2009年10月27日
"Strange Attractors" is the sixth episode of the fourth season of the NBC science fiction drama series Heroes and sixty-fifth episode overall. The episode aired on October 26, 2009.
第 8 集 Once Upon a Time in Texas
播出时间：2009年11月3日
When Hiro travels three years into the past, he has a second chance to save Charlie from the hands of Sylar. However, Samuel’s presence serves to complicate Hiro’s mission even further. Elsewhere, H.R.G.’s past with his Primatech partner is revealed.
第 9 集 Shadowboxing
播出时间：2009年11月10日
"Shadowboxing" is the eighth episode of the fourth season of the NBC science fiction drama series Heroes and sixty-seventh episode overall. The episode aired on November 9, 2009.
第 10 集 Brother's Keeper
播出时间：2009年11月17日
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.
第 11 集 Thanksgiving
播出时间：2009年11月24日
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.
第 12 集 The Fifth Stage
播出时间：2009年12月1日
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.
第 13 集 Upon This Rock
播出时间：2010年1月5日
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.
第 14 集 Let It Bleed
播出时间：2010年1月5日
"Let It Bleed" is the thirteenth episode of the fourth season of the NBC science fiction drama series Heroes, the seventy-second episode overall. It is the second episode in a back-to-back series return after the 2009 holiday hiatus. The episode aired on January 4, 2010.
第 15 集 Close to You
播出时间：2010年1月12日
"Close to You" is the fourteenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-third episode overall. The episode aired on January 11, 2010.
第 16 集 Pass/Fail
播出时间：2010年1月19日
"Pass/Fail" is the fifteenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-fourth episode overall. The episode aired on January 18, 2010.
第 17 集 The Art of Deception
播出时间：2010年1月26日
"The Art of Deception" is the sixteenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-fifth episode overall. The episode aired on January 25, 2010.
第 18 集 The Wall
播出时间：2010年2月2日
"The Wall" is the seventeenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-sixth episode overall. The episode aired on February 1, 2010.
第 19 集 Brave New World
播出时间：2010年2月9日
Everyone bands together to try to stop Samuel from taking the lives of thousands. Peter joins forces with his most unexpected ally to save Emma. Meanwhile, H.R.G.'s life hangs in the balance as he and Claire find themselves trapped underground with oxygen quickly running out. Elsewhere, Hiro starts to come to grips with the decisions he has made and is called into action to help stop a disaster.
