A beloved student's sudden disappearance causes chaos for the senior class.

Susan's welcome party for Robert is overshadowed by a terrifying and violent incident.

Dani seeks Vanessa's advice while Andre does the same with Ted; Kat's actions put her in Hayley's crosshairs; Naomi and Tomas lock horns; Martin and Smitty try to help Tyrell through heartbreak; Samantha doles a reality check to Jessica.

Tinie Tempah follows a couple as they renovate an old Canterbury B&B by adding an extension that uses a mix of styles inspired by their Korean and Norwegian heritage. But the discovery of a Second World War bomb shelter in their back garden adds a surprise element to the project. He also follows a Miss Vintage UK finalist who fantasises about turning her Nottingham dormer bungalow into a 1960s Hollywood time capsule.

During the night shift at Barnsley Casualty, a ceiling pipe burst and the whole back area had to be shut down. The last thing the team need is a large influx of patients, but there are more arriving all the time. Paramedics bring in 82-year-old Valerie who suffered a fall in her kitchen. There's also 78-year-old caretaker Pete, who has chest pains and dangerously low oxygen levels.

In Durham, Angus Ashworth uncovers hidden riches in a packed collector's cottage. In Surrey, widow Sue sells a diamond bracelet to chase a Greek dream.

Andy McGrath delves deep into Britain's ancient folklore, exploring the enigmatic creatures and entities known as the fae.

A young mother is rushed into the emergency room after apparently collapsing and banging her head. Unconscious and unable to breathe on her own, doctors urgently need to determine what caused her collapse. Eighty-two-year-old Clive is at risk of pneumonia after falling from a ladder and sustaining serious injuries to the left side of his chest.

Genetic genealogy helped solve Jenny Zitricki's 1990 murder, linking a man to several crimes in multiple states and finally bringing answers to victims' families.

Catastrophic floods are overwhelming Indiana communities. Rescuers are going house to house saving people and pets. NBC News' Maggie Vespa is in the flood zone. Two soldiers died after the military helicopter they were in crashed into a field in Texas, northwest of Austin. It's unclear what caused the Apache chopper, based at Fort Hood, to go down Wednesday afternoon. The crash also sparked a large fire, forcing some evacuations. NBC News' Morgan Chesky reports. In Colombia, rescuers hold out hope that they can still find more survivors in the rubble following a powerful earthquake that rocked the country. NBC News' George Solis is on the ground, where search crews are working through the night. Investigators in Georgia are asking the public for help finding a person they say intentionally set a home in Lawrenceville on fire with six people inside. Ring video obtained by our Atlanta affiliate WXIA appears to show the moments someone outside the house starts the fire. NBC News' Jesse Kirsch reports. ICE purchased gloves that deliver shocks to non-compliant suspects. ICE said the gloves will help avoid deadly confrontations while immigrant advocates are raising concerns. NBC News' Julia Ainsley reports. John Hinckley, Jr. spoke about Jodie Foster in a bizarre new podcast interview. He shot President Reagan in a twisted attempt to impress the actress. NBC News' Anne Thompson reports. The moon passed directly in front of the sun Wednesday, briefly turning day into twilight as crowds from Iceland to Spain looked up in awe at the rare celestial spectacle. NBC News' Gadi Schwartz reports.  

Actors Jesse Eisenberg and Paul Giamatti, followed by Krysten Ritter and Sarah Shahi, bring their competitive spirit to the hot seat.

The remaining home cooks compete in pairs as they race to recreate dishes inspired by the judges' most cherished culinary memories; in the end, one team's journey comes to an end with a double elimination.

In Indonesia, Dimas dreams of becoming a martial arts warrior, but his family worries the training will harm his oddly bendy body; in Colombia, Herson's backward-bending knees are failing, and he questions his dream of proposing to his girlfriend.

As the temperature plummets, the river begins to lock up. Shelter designs are put to the ultimate test, leaving one survivalist struggling to stay warm while smoke causes another to question their longevity.

In California, deputies track an armed suspect and find themselves in a brutal gunfight. In Georgia, a routine traffic stop escalates into a life-or-death situation for an officer. In Utah, officers race to save a man trapped in his burning car.

Josh Gates investigates the USS Indianapolis disaster, which led to the deadliest shark attack in history, explores the mystery of Scotland's Stronsay Beast, and examines ancient remains that may reveal the earliest confirmed shark attack ever recorded.

The dreaded midterms are the last chance for the celebrities to avoid being in the bottom half of the class; but will a mystery guest outshine them all?

Garnet and Ian hatch an escape plan while a mysterious explosion rocks Homebase.

A woman calls 911 after she finds her mother dead with a knife in her chest; is she a grieving daughter? Then, someone murders a husband in a remote park on Valentine's Day; is it a tragic accident or a lover's tryst gone wrong?