The Best Episodes Written By Gabrielle Stanton

Wells presents Barry with a life-changing choice. Dr. Martin Stein and Ronnie Raymond return to help the S.T.A.R. Labs team with this final fight.

The doctors are up to their necks in their usual levels of drama. Meredith is dealing with the backlash of sleeping with George, George and Burke are bonding in ways that bother and creep out Cristina, Cristina gets stuck on diaper duty, Bailey gets involved in a case even though she's still supposed to be on maternity leave, Addison and Derek have a talk, and Izzie is still flaking on Alex for Denny Duquette, the heart patient who didn't get a heart. In the patients-of-the-week department we've got a very pregnant woman, a hockey player who desires medically unnessasary amputation, and a woman with a fork in her neck who happens to be dying and has a struggling marriage.

George's father has a serious heart problem that requires surgery and George chooses Burke to do the procedure. Burke doubts himself because he knows the pressure this kind of surgery will put on him, but Cristina believes the team can handle it. Derek works with Meredith on being a couple again and tries work with Addison on more civil terms. A patient has had mutiple plastic surgeries so that his girlfriend will like him more. A mom wants her daughter's babysitter fired, after she is brought in with multiple injuries, but the girl likes the babysitter more than her mother.

When Beth is kidnapped by a suspect in the murder case of her boss at Buzzwire, Mick is forced to decide whether saving her is worth sacrificing being human again.

Nick tries to defuse a possible turf war between werewolves and vampires; Brett and Andie's relationship rekindles; Mia turns to Devon for guidance.

Lili becomes infected by a highly addictive drug called Bliss. Liam and Sandoval go to Ireland to investigate the drug's origin, where they meet Dr Cox, and a cult of "Taelonists" who deny knowledge of Bliss. They discover a lab where Ma'el worked on an antidote for Bliss, suspecting the Taelonists found the lab and are spreading Bliss.

The Taelon's hire a spindoctor who brings on a reporter onto the mothership. Unfortunately the mothership is at this time hijacked by a replicant who wants to get the ship into Jaridian space.

A probe crashs on earth. The Resistance finds the probe, before Sandoval arrives, and takes it to a hideout. The hideout is ambushed and they are taken to a 'Dark Knight' base. The Resistance deals with this unexpected new player as they try to stop a Jaridian probe from an assault on Earth. The probe takes the shape of Augur, and delivers a message to humanity.

After recent events, Barry decides it’s time to confront Zoom and comes up with a dangerous plan. Caitlin sides with Jay and deems it too dangerous for Barry to engage with the speed demon. However, Iris shows her support and brings forth a surprising ally. We see what Earth-2 Harrison Wells’ life was like before coming through the breech.

Dorie Russell is waiting for quintuplets, all 5 girls. Her husband seems more concerned than she is but she is set to bring her babies to their term of 36 weeks. All the departments are on call for the quintuplets as three of them have developped problems of different kinds. Meredith last night's stand shows up at the hospital with priapism and they need to call Derek Sheperd for a consult which puts Meredith in a very embarassing position. Alex and Derek must take care of a patient who has a tumor inducing thirst as a side effect. On the love side, Alex and Izzie are having some slight sexual problems, while Meredith goes on adding one night stands and Cristina is thrown off course by being "keyed."

Hope of ending the troubles begins to fade as the heroes struggle to rebuild the Barn in the face of mounting obstacles. And while Dwight is tempted by a surprise gift, Nathan finds himself considering a devastating sacrifice.

The residents of Haven have their worst fears come to life while Nathan's "trouble" seems to vanish.

A sexually transmitted disease breaks out and affects several members of the hospital staff. Chief Webber promptly calls a meeting. Meanwhile, the chief reluctantly tells Dr. Derek Shepherd about his own medical concerns. Izzie and Cristina worry about a patient's wife and daughter who can't agree on his care. Burke treats his college buddy Bill, whose medical diagnosis raises some questions regarding his wife's actions. Then just as Meredith and Derek grow more intimate, a surprise is revealed.

Nathan and Duke try to help Audrey search for a troubled killer after a string of murders take place at the Haven High School.

Audrey, Nathan and Duke's victory over William feels hollow as they deal with the aftermath of Duke on death's door, Mara in control of Audrey's body, and a strange trouble supernaturally silencing citizens all over town.

Nathan receives otherworldly help as he works to track down a terrifying killer; and Duke reaches a crossroads after he has an alarming vision of Haven's future.

The next person on Arrow's list is Diggle's commanding officer and mentor from Afghanistan, Ted Gaynor. Oliver suspects Ted is responsible for recent armoured truck robberies, but Diggle defends Ted and takes a job at Ted's security company to keep an eye on him. Oliver decides to make a move on Ted, which puts him at odds with Diggle. Meanwhile, Thea suspects that Moira is having an affair with Malcom. Tommy and Laurel have an awkward dinner with Malcom.

The debutante ball is here, but Belly’s big night is almost ruined when Jeremiah learns the secret his mother has been keeping all summer. When Belly’s left alone on the dance floor, someone else steps in to save the day. With Susannah and Laurel’s secret out in the open, the season ends with a promise from Susannah and the confession from Conrad that Belly has been waiting for all summer.

A drowning case exposes a secretive family compound on the outskirts of Haven, from which children have disappeared under mysterious circumstances.

Audrey fights to remain herself as she tracks down William to sever their ethereal connection

Duke struggles to accept Jennifer's death; Nathan searches for some shred of Audrey in Mara's cruel personality; Dwight shoulders the heavy burden of holding Haven together.

A strange globe appears on Moya, sucking in Crichton and duplicating him creating two additional people. One who is a de-evolved 'cave man' and another who has increased mental ability. Note: This episode features after the "Look at the Princess" trilogy on the DVDs.

Crais and Talyn return. The crew are put on trial for an attack that Talyn made on an alien ship.

When the Nuclear Family tracks them down, Dick, Kory, Rachel and Gar decide to stop running and work together – and the team that will be known as “The Titans” is formed.

With Nathan's help, Audrey finally locates Lucy Ripley and goes to confront her. Meanwhile, Duke and Dwight join forces to discover what Duke's father Simon left for his son.