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S04E10: Brother's KeeperSamuel learns just how powerful he can become and takes dangerous measures to reach his full potential. Meanwhile, as Tracy begins to lose control of her ability, one of her own comes in harms way. Elsewhere, Sylar continues his battle with Matt.
Genres:
Air Date:
Nov 16, 2009
Runtime:
43 minutes
Production:
Casts:
Zachary Quinto, Masi Oka, Hayden Panettiere, Adrian Pasdar, Sendhil Ramamurthy, Milo Ventimiglia, Ali Larter, Robert Knepper, Jack Coleman, James Kyson, Greg Grunberg, Cristine Rose
