Christian Hubicki Reveals Life-Changing Update Just Weeks Before 'Survivor 50': 'I Have a Secret' (Exclusive)

In the seven years since Christian Hubicki last set foot on a Survivor beach, he's mastered the variables of his own life. He secured tenure. He became a father. But as he prepares for the milestone 50th season, the robotics professor, 39, is staring at the only problem he can't solve right now: 23 other players who know exactly how dangerous he is.

When he first played in Season 37's David vs. Goliath, he was considered the "ultimate David"—a super intelligent, rather quirky standout who...