S2, E1: Season Two opens with Olivia's shocking return to this perplexing alternate reality, while Peter, unknowingly in a race against time with an ominous mobile force, pursues information about Olivia's visit. Walter reenters the lab to cook up a bit of fringe science – and of course, some custard for Peter's birthday!
Sci-Fi · Sep 17, 2009 · 41 min