Spoiler:Dual

Spoiler warning: Plot and/or ending details follow. THIS COULD INCLUDE UNCONFIRMED MATERIAL FROM UNAIRED EPISODES OR PREVIEWS. For more spoilers about Heroes and Heroes Reborn, see here.

Duel
Season:	Three
Episode number:	313
Planned airdate:	December 15, 2008
Previous spoiler:	Our Father
Next spoiler:	A Clear and Present Danger

This article contains spoilers about Dual. For general spoilers about upcoming episodes, see Spoiler:Heroes.

NBC Blurb

The heroes find themselves teaming up against one another and the good, or bad, in all of them comes to the surface - Robert Forster, George Takei, Brea Grant, Jessalyn Gilsig, Jamie Hector and Blake Shields guest star.

In the aftermath of the showdown against Arthur Petrelli, the Petrelli brothers (Adrian Pasdar and Milo Ventimiglia) find themselves battling against one another and Nathan makes a move that will have global repercussions. Meanwhile, Sylar (Zachary Quinto) holds Claire (Hayden Panettiere), H.R.G. (Jack Coleman), Meredith (guest star Jessalyn Gilsig) and Angela (Cristine Rose) hostage at Primatech and a face-off ensues. Elsewhere, Ando (James Kyson Lee), Matt (Greg Grunberg) and Daphne (guest star Brea Grant) continue their attempts rescue Hiro (Masi Oka) -- and Dr. Suresh (Sendhil Ramamurthy) may be their only hope. Ali Larter also stars. Ntare Mwine, David H. Lawrence XVII, Kiko Ellsworth and Chad Faust also guest star.

Published Spoilers

• 12/8 -- NEW! Episode 3x13 Duel - NBC Promo
• 12/8 -- NEW! Episode 3x13 Duel - What to Expect and Beyond
• 12/8 -- NEW! Episode 3x13 Duel Canadian Promo
• 12/2 -- NEW! Official Press Release has been changed to identify the episode as "Duel".
• 11/25 -- Official Promotional Pics Released
• 11/24 -- End of Volume 3 Revealed by Greg Grunberg
• 11/24 -- Official Press Release - Reveals that the episode's title has been changed to Duality.
• 11/20 -- Acording to IMDB, Monica will come back in this episode.
• 11/18 -- There will be a "devastating" showdown between the Heroes and Villians.
• 10/8 -- Echo De Mille will show up.
• 9/16 -- The title of this episode, "War", has been revealed.

Fan Theories

• Angela will die in this episode at the hands of Sylar
• Matt Parkman will not be present in this showdown.
• Harry Fletcher will show up and kill Flint, showing his Ability.
• Nathan will survive and comeback to Haiti to be a warlord.
• Ando's powers will manifest at the beginning of this episode.
• Peter will kill Nathan.
• Nathan will be inadvertently killed by protecting Peter from Sylar.
• More than one character will die in this episode.
• Meredith, Flint, Daphne, and Nathan will die.
• This episode will show the battle between good and evil according to the promos, and the looming battle between the Company (Angela's team) and the Pinehearst Company (Arthur's team).
• Echo will return to Primatech Research for revenge and face-off with Sylar's sound manipulation, destroying the facility in the process.
• The title refers to the ability of all humans to do good and/or evil. There is a hero and a villain in all of us, even Sylar, Peter and Arthur.
• Kaito's ability will be officially revealed in this episode.
• Daphne will be killed, setting Matt onto a darker path.
• Many main and minor characters will be put in a terrible situation together -- like an explosion or a shootout -- which will be the cliffhanger for the end of the season, leaving us to figure out who lives and who dies.
• Monica and Micah will join Angela.
• Ando will return to Tokyo and use his new ability to overthrow Fumio Fukazawa.
• Nathan will take over Pinehearst after Arthur's death at the hands of Peter and Sylar.
• Knox is going to die.
• Hiro will use the younger Hiro to go back to the present time.