Here is the official NBC preview for Monday's new Heroes episode, "Cautionary Tales."

Convinced that the Company is close to finding them, H.R.G. (Jack Coleman) prepares the family to run — but Claire (Hayden Panettiere) has other ideas.

Meanwhile, Hiro (Masi Oka) returns from the past and learns of his father's death. Grief-stricken, he flings himself into past and makes a stunning personal discovery.

After a charged first encounter with Elle (Kristen Bell), Suresh (Sendhil Ramamurthy) makes a decision that could change lives.

Matt (Greg Grunberg) struggles with his expanding mental abilities and Maya (Dania Ramirez) and Alejandro's (Shalim Ortiz) relationship is tested as they travel with Sylar (Zachary Quinto). Peter (Milo Ventimiglia) meets someone who could unlock his past.