With Mary Margaret in labor and due to give birth at any moment, the residents of Storybrooke go on high alert in an attempt to ensure that Zelena doesn't try to steal her newborn baby for use in her ultimate game plan to turn back time and change her destiny -- while obliterating Regina's existence. Meanwhile, in the land of Oz of the past, Glinda tries to convince Zelena to fight her evil tendencies and join her and her sister witches as a protector of Oz. But the appearance of a young girl from Kansas could turn out to be her undoing.
Dire circumstance leads Emily to take extreme measures against both the Graysons and those closest to her.
Trinity wants to get married but not without Jon's father's blessing; Eva faces a serious health issue; Nikki and Ariane help Nattie get her groove back.
The team attempt to deliver a potentially life-changing love letter.
Jane and Grayson spend the night together; Owen defends the Mayor of Malibu; Jane represents a teenage girl in need of a bone marrow match; Kim agrees to let Stacy watch her infant son.
The Ship of the Imagination embarks on a journey through space and time to grasp how the autobiography of the Earth is written in its atoms, its oceans, its continents and all living things. Later, American geologist Marie Tharp creates the first true map of Earth’s ocean floor, and discovers microscopic life that exists deep beneath the ocean.
Kiera crash lands her CPS flyer during a prisoner transport and is forced to work with her enemy captive in order to survive. In present day, the mystery of Kiera's murder is solved when Alec finds a way to recover the recording of her final moments from her CMR.
When Tina is unable to speak after falling and biting her tongue during a cheerleading audition, Louise offers to be her translator.
Hank and Levon help Julia celebrate her new role. Meanwhile, financial trouble adds to Charlie and Marcy's marital unrest, but a new client may put Charlie back in the black; and Levon tries to get some alone time with Melanie, but the Director keeps getting in the way.
Maddie anxiously waits for a letter from the Junior Olympics to arrive to find out if she is invited to try out for the basketball team.
John talks about the recent issues of the death penalty, François Hollande and the rising issues happening in Brunei.
Selina has a secret lunch with a major strategist she may tap as her campaign manager, even as Amy and Dan are openly vying for the job. Meanwhile, Defense Secretary Maddox invites the vice president to his country estate; Gary gets bad news about his shoulder; and Mike's colleagues find out he's mixing business with pleasure.
Lesley Stahl of '60 Minutes' travels to Greenland to investigate the effects of global warming in the Arctic. Down south, Ian Somerhalder travels to North Carolina to listen in on both sides of the evangelical community's debate over climate change and finds himself caught in the middle of not only a religious debate, but a familial one: the father is a megachurch preacher who doesn't believe in climate change; the daughter is an activist trying to shut down the local coal-fired power plant.
Vera unearths a 30-year-old mystery when the son of a prominent local family is found brutally murdered on the sands of a seaside resort.
For years, Jeremy Wade has hunted a legendary Amazon giant called the lau-lau, a creature said to swallow men whole. The evidence he needs, a single colossal specimen, has so far eluded him. This time he's more determined than ever.
Tate’s efforts to keep Bo focused on her training are sidetracked when Bo has a premonition of a young musical prodigy dying in a car crash. In the wake of Channing’s capture, Winter sets a risky contingency plan in motion. At Orchestra, Skouras tests the powers of Dani, a newly discovered telepath.
Jane’s freedom is at stake when a grand jury is empanelled to decide if he should be tried for the murder of Red John. Meanwhile, Lisbon tries to find out how Jane feels about the possibility of her leaving Austin with Agent Pike, and Cho and Abbott follow new leads in the human smuggling ring they recently uncovered.
A hostile patient forms a connection with Grace as she recalls her time in India, and Joan risks everything as she awaits a response from her fiancé.
Dunn must take extreme measures to protect Meg. Meanwhile, Gibson makes a demand that could lead to the release of some of the students. As he becomes the focus of the next parent mission, Finley protects Gibson’s target from being captured by a desperate parent, Jakob Vries, who is also assigned to kill Finley.