On next week's season finale of Heroes, Nathan tries to prevent Sylar from meeting the President.

Also, Hiro learns of consequences to his ability, while Parkman faces a difficult decision.

Watch the official promo for "An Invisible Thread" now:

[video url="http://www.tvfanatic.com/videos/an-invisible-thread-promo/" title="An Invisible Thread Promo"] [/video]

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.