When the daughter of an American family visiting Haiti to adopt a child is kidnapped, the International Response Team travels to the island nation to try to find her. Also, Jack and his wife, Karen, prepare to send their daughter to college.
Stephen Hawking challenges three ordinary people to work out where the universe came from. Hawking leads the trio on an extraordinary journey of discovery featuring racing cars, ice-skaters, balloons and running tracks.
Oliver teams up with a surprising force in an attempt to stop Damien Darhk and his magic once and for all.
Dr Sara Kayat meets Daya, a young man who has been experiencing trouble with his feet for the past four years. He has what appears to be a fungal infection under his toenails, so Dr Sara takes some clippings to send off for analysis. Her next patient is Anna, who has been driven to distraction by itchy feet, caused by athlete's foot and pustular psoriasis. Plus, Dr William Laird takes the surgery's third foot patient, this time taking the form of schoolboy Jack, who sprained his ankle during enthusiastic performances on the squash and volleyball courts.
Thousands of zebra face lions, hunting dogs, drought and starvation as they undertake the world's most recently discovered migration. Braving one of Botswana's most brutal wildernesses, they make Africa's longest land migration to reach the rich grasslands of Nxai Pan National Park.
Michela is back in Tuscany where she explores an olive estate during the annual olive harvest in the south of the region. Back in her kitchen she prepares rainbow ricotta gnocchi.
Heimo still needs a moose; the Seldens embark on the next part of their trapline journey; Charlie Jagow is introduced.
With the peace talks in tatters, a new breed of Camorrista emerges - one not concerned about breaking time-honoured traditions.
Ciro sets up a parley with Gennaro in order to avoid a full-on gang war. Gennaro agrees, but with strict orders from his father.
Help from Luke lands Jenna an important meeting at SCU and Tamara comes clean about her money woes.
The final three artists reveal two master canvases; eliminated artists return and confront each other for the first time since the competition; a winner is crowned.
Todd and Julie travel to Los Angeles for a liposuction procedure, leaving Chase in charge; Chase abuses his authority.
The winter crab season is here and brings with it this year's biggest storm. Every captain must decide to risk it all and head out into the storm or stay back tied to the dock losing money. However carefully they choose the best laid plans of mice and men often go awry.
Marshall, Rocky, Rubble, Zuma and Skye are doing their best to protect the people of their town. Led by Ryder, a tech-savvy 10-year-old boy, each of them is equipped with special equipment and together they help anyone who finds themselves in trouble. No task is too big for them and no puppy is too small.
Jenna has to decide between an important SCU event and her camp reunion, which leads to an even bigger choice: Luke or Matty.
Now closer than ever to uncovering the mysteries surrounding her parents, Kirsten’s mind is threatened when her stitch leads her deep into the recesses of her own memories.
Reese and Finch become trapped in a hospital that becomes ground zero for a deadly viral outbreak. Also, Samaritan’s newest recruit has second thoughts and Shaw continues to struggle with reality.