How long is every episode of heroes?

The episode length of "Heroes" can vary slightly, but generally falls within a range of 41-44 minutes.

This includes the actual program content as well as commercials. If you're looking for the runtime of just the show itself, it's closer to 40 minutes.

There are a few episodes that may be slightly shorter or longer, but this is a good general guideline for the show's average episode length.