The brothers investigate a mysterious murder that was apparently caused by a ghost, and discovers that the Ghostfacers, Ed and Harry, are already on the case. However, the facts don’t…

Dean and Castiel make a deal with Crowley to contact Sam’s consciousness so he can expel the angel Gadreel from his body. However, Abaddon is hot on their trail and…

Crowley turns to Dean for help to locate the First Blade, the only weapon that can kill Abaddon. However, they soon discover that the trail leads to Cain… the Father…

Maggie and Meredith disagree with Derek about the best way to approach a patient’s case, which leads to a bigger argument between the couple. Meanwhile Callie feels responsible when one…

Maggie tries to make a good impression but finds herself in unfortunate situations; Richard keeps hiding his secret.

Owen tries to get Callie to help Veterans Hospital patients with the robotic limb lab. Alex and Meredith’s friendship makes Jo jealous. Alex and Bailey prepare to go in front…

Secrets from Ellis Grey’s past come to light when Meredith watches old videos and reads through her mother’s journals. Meanwhile, Maggie rocks the hospital with an unexpected announcement; Alex gets…

Callie and Arizona examine their marital problems and what’s contributed to them. Meanwhile, Callie devotes herself to the veterans’ project, Arizona strives to impress Dr. Herman, and Richard seeks guidance…

Owen becomes invested in a patient when he realizes she may have served in the military, April’s mother pays her daughter a visit and bonds with Jackson, and Derek plans…

Information about Amelia’s past emerges and causes problems for her at the hospital.

With Cristina gone, a new doctor, Maggie Pierce, making the rounds and Derek wanting to move to Washington DC, Meredith struggles to regain a sense of normalcy both at home…

Jackson is given the daunting task of delivering disappointing news to the doctors. Meanwhile, Derek’s sister Amelia drops by for a surprise visit, Richard surprises Catherine in Boston and when…

Cristina considers her future at the hospital; Amelia and Derek collaborate on a tough surgery involving conjoined twins; Jo takes on too many cases at once; Stephanie stumbles on the…

With Derek away, Meredith spends time with Amelia and finds out her true feelings about her time in Seattle. Bailey deals with the ramifications of her actions and Callie receives…

The doctors of Grey Sloan Memorial Hospital bid an emotional farewell to the beloved Cristina Yang. A possible act of terrorism rocks Seattle and causes chaos at the hospital. Meanwhile,…

After an anonymous complaint is issued by one of their own, the hospital implements a non-fraternizing policy causing the couples to panic. Meanwhile, Emma and Owen talk about the future,…

Arizona has a bad day which escalates when she advises one of Callie’s patients on a potential double amputation. Derek goes back on a promise to Callie, and Jo and…

It’s Richard’s birthday and Bailey invites him to scrub in on the case of a lifetime. Meredith hires a research assistant to help with her portal vein project. A scorned…

Cristina imagines the two routes her life can take based on one decision she makes. Meanwhile one of the hospital’s patients decides whether or not to live.

The hospital gets inundated with flu infected patients, which causes the doctors to slowly fall ill one by one. Derek must fight off the sickness as he prepares to give…

Cristina won’t let herself get excited when she is nominated for a Harper Avery award; Alex thinks about making a change; Callie and Derek work with a machine that recognizes…

Cristina enlists Meredith to help her prepare an acceptance speech for her possible Harper Avery win and while Owen offers to attend the ceremony with her, she insists on going…

The doctors are faced with the consequences of the events at April’s wedding. Alex reacts to the news about his father. Callie and Arizona make a decision about their relationship.

Ted finally finishes telling his kids the story of how he met their mother.

Ted finally finishes telling his kids the story of how he met their mother.

When Gary Blauman shows up at the wedding, it sends the gang into a frenzy as they each recall an encounter with him.

With only a half an hour left before the wedding, Robin and Barney panic; Lily and Marshall rewrite their wedding vows.

In an attempt to deliver a devastating final slap to Barney, Marshall explains how he mastered the Slap of A Million Exploding Suns.

Robin and Ted try to get Barney to reveal secrets after he drinks too much; Marshall tries to avoid fighting with Lily.

The mother reveals how she met Ted and what she has been doing over the past eight years.

Robin and Ted reminisce about past relationships as they search for a drunken Barney on the day of the wedding; Lily and Marshall come to a resolution; Barney befriends two…

The gang must figure out how to make the Stinson Hangover Fixer Elixir to help Barney recover on the day of the wedding.

Robin and Lily have a fight on the morning of the wedding; Barney can’t decide what suit to wear; the gang watches a movie that Ted didn’t want them to…

Marshall asks Barney and Ted for help figuring out where Lily went in the middle of the night during their argument.

Peter grows frustrated when players on opposing teams continue to thank God after defeating his beloved New England Patriots football team, so he and the guys embark on a global…

Chris becomes the heir to Carter’s fortune but refuses to accept the money; Peter desperately tries to keep the wealth in the family.

Peter takes up smoking cigarettes, and is approached by Mr. Stone, an advertising executive who wants Peter to be the face of his anti-smoking campaign under the caveat that Peter…

Brian gives Stewie an STD. Meanwhile, Peter and the guys fight back when another group claims their booth at The Drunken Clam.

When Peter takes Stewie to the park for some quality father-son time, he mistakenly takes the wrong baby home, prompting Lois to call him an idiot. Determined to prove to…

Chris is forbidden to see Jerome’s daughter Pam, so when the kids run away together, Jerome and Peter must work together to find them.