After receiving a distress call from another timeship stranded in space, Rip decides to answer the call in order to use the other ship's computer to track Savage. The team is suspicious and warns him this could be a trap but he moves forward with his plan. Ultimately, the team was right and they have to battle time pirates. With most of the team captured, it is up to Professor Stein to rescue them all.

A patient from Meredith's very first surgery as an Intern is readmitted to Grey Sloan Memorial with a new aneurysm, and Amelia takes her case. Meanwhile, Maggie suspects that Richard knows about her relationship with Andrew, and Arizona debates dating again.

America has spoken! Find out which finalists have made it to the Top 8 and who will have to say goodbye. (550th episode).

John and Joan disagree with their neighbors, Jerry and Pam, about who gets to use the hot tub when new property lines are drawn. Also, Greg and Jen invite their exterminator and his wife over for dinner, Matt and Colleen make an effort to be friends, and Tim is terrified to perform minor surgery on John.

After a health scare leaves Bonnie in a tailspin, Christy attempts to be supportive.

Lexa tries to maintain peace and order within the clans, and Clarke uncovers a strange and game-changing truth. Meanwhile, a flashback takes us into the darker chapter of humanity's past.

Ten years on from disappearing without trace, a politician's son returns causing repercussions through their family and the local community.

The Unconventional Challenge finds the designers turning New York City emergency services materials into runway-worthy looks.

Caroline continues meeting with studio writers in an effort to make her life story into a movie, but she is torn when they reveal they would not portray Max in the project. Also, Max is being spoiled by her new Hollywood beau, Randy, who sets Caroline up on a date with his friend, Bob.

The guys play a game of copycat at the park while babysitting kids. Then, they hit the supermarket for an epic battle of catch and release, and tonight's loser learns that creeping around the gym is more uncomfortable than working out.

Annalise moves forward with a plan to protect the team from Philip but the risk involved may prove to be too dangerous. Meanwhile, Wes continues to search for new information regarding his mother's death. In flashback, the Mahoney case takes a drastic turn for Annalise's client.

An important member of the Resistance shows up. Katie is given a second chance.

Harlee's collaboration with Stahl uncovers Wozniak's secret relationship with Donnie. Wozniak decides to take charge of the big job after picking up a package that turns out to be a kidnapped man. A mysterious call to Saperstein's desk forces the crew to face their mixed feelings about their fallen friend and ultimately decide to preserve his memory.

Eddie takes part in a road trip for some old fashioned cowboy justice taking Chip and Martha along with him.

In San Francisco, the five remaining Chefs face the ultimate Sudden Death Quickfire cooking for Top Chef Master Traci Des Jardins. Then, in the elimination challenge, the Chefs cook where Top Chef first began, at Hubert Keller's legendary restaurant Fleur de Lys, and are tasked to prepare a Fleur-inspired dish for the incomparable Keller, the judges and San Francisco culinary elite.

Alice's sister shows up at the TelAmeriCorp office.

Louis C.K. cancels a show in Portland due to a family emergency; Fred and Carrie are asked to judge a plume contest.

When Watson runs into Captain Gregson and his secret girlfriend, a former NYPD officer, she inadvertently sets the couple's breakup in motion. Also, Holmes and Watson investigate the murder of a wealthy woman who left her considerable estate solely to a beloved dog.

Ragnar informs Floki of a heavy price he has paid for his actions; Rollo finds an unlikely ally in Count Odo; Bjorn has to fight a fierce opponent in the wilderness.

Guests Elijah Wood, comedian Bryan Callen and Professor Dan Schnur discuss history's most doomed presidential campaign.

Mitt Romney disavows Donald Trump, Jordan Klepper learns about an unexpected compromise on gun research, and Mayor Bill de Blasio discusses New York City's tech industry.

Conor McGregor, Dave Attell and BJ The Chicago Kid are tonight's guests.

Donald Trump feuds with Mitt Romney, and Larry examines the controversy surrounding Zoe Saldana's role in "Nina" with Michael K. Williams, Robin Thede and Franchesca Ramsey.

Jimmy is joined on the show by Pharrell Williams, Priyanka Chopra and Loretta Lynn.

Stephen welcomes Christopher Meloni, actress Mary Elizabeth Winstead;, Medal of Honor Recipient Edward Byers, and a musical performance by Ray LaMontagne.

Chris is joined by three celebrity guests who battle it out to determine who has the funniest take on the day's pop culture.

Steve tries setting up DJ's handsome coworker with Kimmy, and Ramona's much-anticipated 13th birthday party doesn't turn out as planned for anybody.

Seth is joined on the show by Tina Fey, John Stamos, Jay Pharoah and Patrick Carney.

James is joined on the show by Gerard Butler, Will Forte and M. Ward.

Noora and Vilde are in disagreement over sponsors for the bus. Noora's flatmates Eskild and Linn are introduced. Noora is trying to avoid William who has become very pushy in his advances towards her.

Perez and the team discover that the person that they believed to be responsible for the murders is closer to home than any of them thought. A new light is shone on the murder of Michael, when the team discover who assaulted Kelly. Leanne is struggling to deal with the emotional aftermath, after been shot.

Perez is troubled when he discovers that Michael's witness protection handler Asha was in Lerwick on the same day that the email was sent out. The team dig deeper into Asha's past and discover a connection to one of McCall's team.

Harry discovers a startling connection when a man dies whilst attempting to flee for his life.

In the premiere of this anthology series, a woman finds herself at the center of a series of copycat killings

A woman becomes en-snarled in copycat killings that have similarities to her parents' murders.

As preparations are made to celebrate the store's 20th anniversary, Harry works tirelessly to break the suppliers' embargo on Whiteley's, while Mae manages in avoiding him. A stoic Mardle struggles to cope, and Meryl steps in to provide some much-needed help. Jimmy's accountant reveals a massive problem, which leads to a very risky and secret plan, while journalist Joe Tooby continues to investigate him - with shocking results.

Caitlin Moran joins Adam Hills, Josh Widdicombe and Alex Brooker to pick over the week's news.

Favourite moments from the M series of QI are featured.