Heroes (2006)

S4E7 Strange Attractors

In a desperate attempt to eliminate Sylar, Matt resorts to drastic actions to put an end to the ongoing torment. Meanwhile, HRG reaches out to Tracy, asking for her help to rescue a troubled boy whose struggles echo her past. As Claire and Gretchen endure the initiation rituals of their new sorority, they discover that the challenges of pledging might be the least of their worries.