The second series of Heroes may be ending a lot sooner than anyone expected, as NBC and the series producers prepare for the upcoming Writer's Guild strike. TV Guide reveals that the show is going back and filming an alternate ending to the December 3 episode that would allow the episode to serve as a season finale.

The episode was originally to serve as the conclusion for the on-going "Generations" arc, and to set the stage for the remainder of the second season.

If the strike is averted, or ends quickly, the alternate ending would most likely be dumped and season two of Heroes would progress as originally planned.

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