What happened to Peter? Perhaps Arye Gross knows the answer.
The actor (Medium, The Riches, Castle) will stop by for an episode of Fringe this fall as a scientist named Malcolm Truss. What will be be doing in the lab? We have no idea. When will he show up?
On installment number-five, according to TV Guide. Meanwhile, have you seen the latest Fringe trailer? View it now:
