Heroes - Pass/Fail

Seizoen: 4 - Aflevering: 16 / 79 - Eerst uitgezonden: 18 januari 2010 - Episode ID: 460039

Hiros life hangs in the balance as his brain tumor worsens, prompting him to subconsciously deal with some of his past decisions. Meanwhile, Sylar pays Claire an unexpected visit to get answers as to why he isn't quite himself. Elsewhere, Samuels plan to impress his long-lost love, Vanessa, takes a terrifying turn.