“Pass/Fail” is the fifteenth episode of the fourth season of the NBC science fiction drama series Heroes, and the seventy-fourth episode overall. The episode aired on January 18, 2010.

As Claire becomes immersed into the world of the Carnival, she becomes increasingly suspicious of Samuel’s motives. Hiro is on a mission to rescue one of his own, but has…

When a hurricane rips through Miami, Jane has no choice but to stay at the Marbella, but the storm soon becomes the least of her worries.

As Lily becomes more of a permanent fixture in the apartment, Ted feels like he is being edged out of the mix by his engaged roomies. Petrified of being left…

The glee club gets some news that’s sure to rattle a few nerves. Meanwhile, Quinn connects with her “funky” side with a little help from Mercedes, and Will gets revenge…