Season 1 Episode 7
"June 13th - Part One"
After traveling back in time, HRG and Hiro try to change the course of history by intercepting Mohinder Suresh before the bombing at the Odessa summit.
Hiro (Masi Oka) and HRG (Jack Coleman) return to June 13, 2014, in an effort to stop the bombing at the Unity Summit. While HRG tries to track down Claire, Hiro attempts to diffuse the bombs that have been set to blow at the event.
Luke (Zachary Levi) and Joanne (Judi Shekoni) take their son, Dennis, to the Summit to see if any EVOs can heal his debilitating skin condition.
Hachiro Otomo, the creator of Evernow, traps the 2014 version of Hiro in the computer game.
Erica's (Rya Kihlstedt) henchmen detain 2014 HRG before the Summit. Caspar comes to the rescue.
Hiro saves Mohinder Suresh (Sendhil Ramamurthy) from Renautas goons, but is unable to stop the explosion from happening.
Noah goes to the hospital to find Claire and learns that she died giving birth to twins.
Angela Petrelli (Cristine Rose) tells HRG that she believes Claire's children, Malina (Danika Yarosh) and Tommy (Robbie Kay), are destined to save the world.
HRG has Hiro send Angela and the babies 15 years into the past to hide them from Erica and have them ready to save the world when the extinction event arrives.
At the hospital, HRG tries to kill Erica but is stopped by the 2014 version of himself.