"I don't know," Jack said, which was a lot better than the I hope he doesn't reply he wanted to give Gabriel. "I know you're feeling a familial tie to the Petrellis, and I won't stop you if you feel the need to help them, but I need you here too."

And he glanced at Mohinder, who had been more or less ignored despite his little outbursts of encouragement. "Both of you."

"It might seem counter productive to think this way, but we really don't have all the time in the world to fix the things that come up. Pocket dimensions make it necessary for us to move when they are formed."

Mohinder blinked. "Pocket dimensions?"

"Difficult to explain the science behind, easy to explain the necessity to act quickly. They have the ability to overwrite the current timeline.We can't let that happen."