Derek takes Cristina out on a fishing trip; Teddy tries to help a patient who lacks the proper insurance to seek medical treatment.

Owen puts the residents through a rigorous trauma certification drill; Cristina is left alone to monitor an ill lung transplant patient.

A team of doctors tries to save the life of a political figure from the Middle East; Cristina decides to decorate her new place and throw a housewarming party; Alex…

Derek and Meredith visit the obstetrician and receive disturbing news; Lexie notices April and Meredith growing closer; Jackson tries to get ahead in the operating room.

As part of their training, Seattle Grace’s residents are put in charge; the attending surgeons compete for a million-dollar grant.

A documentary crew visits the hospital six months after the shooting to document the road to recovery for doctors and patients; Meredith helps Cristina put on a brave face for…

Meredith finally tells Derek about her pregnancy and miscarriage; during a surgery, Cristina experiences PTSD; Bailey won’t let Alex operate until he has the bullet in his chest removed.

Issues surface when Derek’s estranged sister, Amelia (Caterina Scorsone), visits unexpectedly; Meredith and Derek continue to try to ease Cristina back into surgery.

In the wake of the shooting at Seattle Grace-Mercy West, the doctors find themselves in a frenzy: Christina and Owen will be getting married, and others are trying to deal…

Cristina and Meredith’s surgical skills are put to the ultimate test.

When Alex’s younger brother, Aaron, shows up at Seattle Grace-Mercy West with a hernia, it’s up to Alex to get Bailey’s approval for his pro bono surgery. Matters are further…

Sloan returns to Mark’s apartment, just as she’s going into labor, and Teddy, Mark and the still-fighting Callie and Arizona are there to help with the birth and to get…

Bailey preps the team with mandatory sensitivity training prior to admitting a 700-pound patient with compounded medical issues, and the case proves to be challenging in every sense of the…

An elderly patient admitted into the E.R. for a heart condition sees a familiar face, a long lost love who happens to be in the E.R. as well for a…

Seattle Grace Hospital is hit with a crisis like no other in its’ history.

It’s Valentine’s Day, and the doctors must treat dozens of injured people after the roof collapses at a popular romantic restaurant; Derek tries to manage his busy schedule as Chief…

In his new role as Chief, Derek restores the hospital lecture series, and Richard, Bailey and Callie present to the group pivotal surgical cases from their pasts Bailey reflects on…

When famous surgeon Dr. Harper Avery is rushed to Seattle Grace-Mercy West, the staff is surprised to discover that one of their own is related to this legend, and his…

A patient who needs an extremely difficult surgery comes to Seattle Grace, and it’s Richard and Owen who vie for the opportunity to tackle it. But the decision lies in…

When Teddy’s patient seeks to end treatment and her life, she turns to Hunt for help. The situation triggers Hunt’s memories of his life at war and his past relationship…

After learning of Richard’s drinking problem, Derek confronts him for the sake of his friend and the hospital, Izzie returns, hoping to reconcile with Alex, and tensions run high between…

As Derek begins his role as interim chief, he faces a potential lawsuit when Bailey and Meredith’s patient awakens from anesthesia mid-surgery. Meanwhile, Teddy refuses to place Cristina on her…

Mark flies Addison to Seattle to help with a difficult procedure on his pregnant daughter, Sloan, Owen questions Teddy’s motives when she assigns Cristina the lead on a complicated surgery,…

Rick, Glenn, T-Dog, and Daryl move on after their grisly discovery to retrieve the guns when they encounter a group of scavengers who narrowly beat them to the catch. However,…

Everyone deals with the fallout of the walker attack. Andrea has to come to grips with the fate of her sister, while Jim is found out to have been bitten….

Rick and the group are allowed into the CDC by a strange doctor, but all is not what it seems in their newfound haven.

Rick searches for his family after emerging from a coma into a world terrorized by the walking dead. Morgan and Duane, whom he meets along the way, help teach Rick…

Rick unknowingly causes a group of survivors to be trapped by walkers. The group dynamic devolves from accusations to violence, as Rick must confront an enemy far more dangerous than…

After returning to the camp with the department store survivors and an emotional reunion with his wife and son, Rick decides to go against Shane’s advice and go back to…

Is our solar system unique? Since the first discovery of a planet orbiting another star, some 280 alien solar systems have been identified. It’s only by looking at solar systems…

Moons come in every possible shape and size. Home to incredible natural phenomena like gigantic geysers and colossal volcanoes, moons also offer perhaps the best chance of finding alien life…

Black Holes,the most powerful destroyers in the Universe, the most mysterious phenomena in the heavens. For years they were only speculation, now modern astronomy is proving them frighteningly real and…

The evolution of galaxies, from clouds of cold gas floating in space 13 billion years ago, to the vast gravitationally bound systems of today.

Examining the birth of stars, and how their creation changed the cosmos for ever, leading to planets and life itself.

Stars are not eternal; they are dying in unimaginably large explosions called supernovas. Second only to the Big Bang, these explosions are where creation and destruction meet. Only now have…

There are just eight planets in our solar system, but there could be a hundred billion planets in our Milky Way galaxy alone. This show follows the journey of planets…

The programme investigates how the Universe came into existence out of nothing, and how it grew from a minuscule point, smaller than an atomic particle, to the vast cosmos we…

Detectives search for an anonymous blogger who has posted plans to blow up a school. Lt. Van Buren struggles to keep her personal issues private.

A man’s double life is discovered after he is stabbed to death.

When a reality TV crew finds a dead man’s body locked in a dog cage, detectives suspect the victim’s wife.