Fringe (2008)

S2E23 Over There (2)

In "Over There (2)," Walternate enlists Peter's assistance to finish a crucial device. Concurrently, Walter and Olivia, on the run, find themselves reunited with William Bell. As the Fringe Division from the alternate universe intensifies their pursuit of the intruders, Peter faces an agonizing choice that could alter the course of his life forever.