Heroes Reborn
Hiro and Noah will try to find the truth of the Odessa explosionNBC

Heroes Reborn episode 7 will be one of the biggest episodes of the NBC superhero series as there will a big revelation about the mystery surrounding the Odessa explosion that has changed the lives of the Evos (humans with super abilities) forever.

The promo of the upcoming episode titled June 13th - Part One teases that in order to save the future, Hiro and Noah will go into the past to the tragic event that killed the latter's daughter Claire. While doing so, the duo will unfold something shocking that will change the series forever.

Old characters, including Mohinder and Angela, are set to return in the upcoming episode which will be shown in two parts. Here is the official synopsis: "In an effort to get answers, Noah Bennet (Jack Coleman) joins forces with Hiro Nakamura (guest star Masi Oka) to return to the day of the tragic events of June 13, 2014 that set everything in motion. On the verge of delivering a speech to commemorate the event, Mohinder Suresh (guest star Sendhill Ramamurthy) receives a dire message from Angela Petrelli (guest star Cristine Rose) about Erica Kravid's (Rya Khilstedt) true motives. In Japan, Hachiro Otomo (guest star Hiro Kanagawa) makes a calculated move against Hiro Nakamura. Meanwhile, a much happier Luke (Zachary Levi) and Joanne (Judi Shekoni) come to Odessa in hopes of finding a cure to their son's ailment."

Click here to watch Heroes Reborn episode 7 via live stream. You can also watch the episode online here.

The upcoming episodes will offer a major blow to Erica and her anti-Evos company Renautas. It will be interesting to see who poses the bigger threat to Erica and how she will manage to strike back. The popular NBC series airs every Thursday night.