From the makers of 'Lost' and 'Alias' comes the second series that unlocks the secrets of science, making the impossible a terrifying reality. Olivia returns from the alternate reality and Peter tries to get information about her visit. Meanwhile, Walter makes some custard for his son's birthday, and Broyles deals with the threat of a government shutdown of the Fringe Division.

The group must deal with Pete's split with Meegan; Ruxin's motive for trying to smooth things over is hardly altruistic.

When a young woman dressed from head-to-toe in blue is found dead in the subway after a rave party, Mac is summoned from a night at the opera to process the scene. Across town, a famous bachelor is found dead in his swim gym.

While CSI tries to figure out who and what caused a fatal house fire, Calleigh communicates with the victim and searches for clues through her imagination while in a coma.

A man faking his identity and posing as a college student disappears and the team must decipher his secrets in order to find him.

Using their own unique perspectives, Meghan Markle, Franchesca Ramsey and Ricky Velez join host Larry Wilmore to examine current events and popular culture.