In the season finale - It's chaos in Eureka when an energy beam rips through main street but the Astraeus launch must go on...with or without Eureka intact.
Myka and Pete deal with a plague of zombies in Ithaca, while Claudia deals with a new romance, a prophecy of death, and a rejection from a friend.
The DoD imprisons Rosen and his team after they suspect that one of the members is a Red Flag traitor.
Marshall gets a great job offer that he fears may be scuttled by a social media background check. Ted needs a date for the Architects Ball.
Nancy and Silas face off over who controls their drug business, while Andy tries to mediate; Shane goes to lengths to win back Detective Ouellette's trust, while Doug tries to keep the SEC distracted from his hedge fund's illegal activities.
Po and Monkey race to find a sacred orchid to cure a sick Tigress. But Monkey is hypnotized by the evil Scorpion into hunting down another target -- Po.
Three eerie stories that suggest there is indeed life after death: An emotional visit to a Civil War battlefield and a series of bizarre circumstances lead a Connecticut man to believe he is the reincarnation of a dead general; hoping to communicate with spirits and uncover genuine proof of the afterlife, scientists in England conduct a series of groundbreaking séances and what they find defies logic; and, in Haiti, a man dies after a sudden and mysterious illness but returns from the grave 20 years later!
While trying to escape Snotty Boy, the animals run over Snotty's clown father. His dad survived, but has lost a lot of hilarity and Pig takes him into surgery. Otis disguises himself as Snotty's father to distract him while he recovers and becomes a cool dad to Snotty Boy. Only Snotty comes to love and admire Otis in a way he never did for his lame clown father. Otis has to think fast before he ruins this miserable family.
Tim is having no luck tracking down Miranda and Shane since she dropped the bombshell that Shane is his son... until Shane --on his own-- surprises everyone by just showing up at Heartland. And Mallory entertains the idea of going with the recently-single-again Jake to the Spring Fling. There is however --as you might expect with Mallory-- a "but" attached.
Walt's family worries when he doesn't turn up for Walter, Jr.'s 16th birthday. Jesse is forced to put his lab skills to the test without Mr. White's help.
End-of-the-world scenarios, including the Mayan prediction for Dec. 21, 2012, are examined from a scientific perspective.
The Great War unsettles life at Downton and surprising news about Matthew rocks the family. New maid Ethel irritates O'Brien - and Bates returns with devastating news for Anna.
As Bo struggles to accept the new terms of her and Dyson's relationship, she investigates an apartment building full of residents who appear to have lost their minds.Kenzi's choice to employ a Brownie to help around the house threatens to backfire on her.
It's dinner time at Whyatt's house but things are not going well! He's perplexed when Mom and Dad say that what's on his plate isn't healthy. To find out why, the reading superheroes fly into the story King Eddie Who Loved Spaghetti and encounter a wacky king who only wants to eat one thing - spaghetti! As the super readers convince King Eddie taste new foods, Whyatt learns there's more to dinner than he had originally thought!
The 25-year high school reunion rolls around. Dan Halen forces the Sheriff to keep Early from the party (as he dropped out in second grade), while the Sheriff begins to have flashbacks to Dan Halen's bullying.
Bar expert Jon Taffer goes toe-to-toe with a former baseball player turned bar owner as he tries to revive the Canyon Inn, a decaying bar on its last legs.
The rivalry between Kate Leigh and Phil Jeffs reaches boiling point, leading to a legendary street battle between their rival gangs. Jeffs is determined to put Kate and Tilly out of business by poisoning their cocaine supply and slashing their workers. The police create Australia's first drug squad to fight the deadly cocaine epidemic, and Kate starts an affair with a sexy young gangster, angering her faithful lieutenant Wally.
As a law student seeks Jane's help when his fiance is injured in a bridal store's out of control promotion, Judge Owen French forces Grayson to try a case using medieval law. And as Stacy's new TV role goes to her head, Jane is forced to take action.