|First aired:||November 2009|
The truth sets our heroes on new and dangerous paths.
Samuel (Robert Knepper) learns just how powerful he can become and takes dangerous measures to reach his full potential. Meanwhile, as Tracy (Ali Larter) begins to lose control of her ability, one of her own comes in harms way. Elsewhere, Sylar (Zachary Quinto) continues his battle with Matt (Greg Grunberg). Jack Coleman, Masi Oka, Hayden Panettiere, Adrian Pasdar, Sendhil Ramamurthy, Cristine Rose and Milo Ventimiglia also star. Kavi Ladnier, Jimmy Jean-Louis, Ravi Kapoor and Andrew Connolly guest star.
11/04 The ODI -- Episode 4x09 Brother's Keeper - New Promo
10/31 Heroes TV Guide -- Episode Synopsis
- This episode will focus on Nathan/Sylar and Peter.
- The title refers to Samuel and his brother Joseph.
- Sylar intends on keeping his identity as Nathan.
- Hiro will be held in the treatment of a medical facility, on the verge of death - disappearing before it's too late.
- Lyle will make another guest star appearance.
- Janice is pregnant again.
- The title refers to Nathan as the gatekeeper for the evolved humans to the rest of the world.
- Monica saves her brother in an episode revisiting our old pals from Generations.
- Mohinder will return, with the long awaited explanation of his absence.
- This episode will be a flashback episode and will show Samuel and his brother's relationship.
- Peter will save Nathan from Sylar's return.
- Samson Gray will be back in this episode, with the power of rapid cell regeneration and stronger then ever before.
- Samuel will revive Joseph with his power.
- Hiro is going to an alternative future and sees Ando supercharching Samuel, Wich will cause the earth to split in half.
- Peter finds Nathan's body somewhere, and still having the power of healing touch, he heals Nathan and he comes back to life.
- There will be a flashback regarding Chandra's research and Joseph's connection to it.
- "Brother's Keeper" is a scripture from the Bible. From when Cain murdered Abel. So it may not be taking about siblings but brothers as humans.
- It will be revealed that Samuel killed Joseph.
- Or Peter will kill "Nathan".
- Nathan's body is in a coffin and Angela shows "Nathan" his own body, Then Peter will revive the real Nathan.