3x09 It's Coming

Hiro escapes Arthur but believes himself to be ten years old. Arthur sends Knox and Flint to capture Peter and Claire. Ando helps Hiro re-discover his powers. Nathan has mixed feelings after meeting his father, but Tracy promises Arthur that she will persuade Nathan to join him. Sylar learns to access his empathy and reconciles with Elle. Mohinder begins testing a new combination of the formula and discovers the need for a catalyst. Matt wakes Angela from her coma.