The Best Episodes Written By Adam Horowitz

The Author proves to be a formidable wild card and forges an alliance with Gold. Emma, her parents, Hook and Regina scramble to stop them, but when Gold and the Author turn the tables on heroes and villains alike, the prospect of any happy outcome appears worlds away. Henry discovers he has big shoes to fill as he steps up to save his family before the story’s final page is turned. It’s a race to the finish, and everything culminates with a shocking twist that will leave the residents of Storybrooke reeling

Ben learns an eye-opening lesson when his older brother, Sam, comes to visit and, if only for a moment, Dino finds a reason to appreciate his mom again. Meanwhile, Michael and Mia have an awkward discussion about just how far they will go with their friendship.

While Jack devises a plan to do away with "The Others" once and for all, Sayid uncovers a flaw in "The Others'" system that could lead to everyone's rescue. But it requires Charlie to take on a dangerous task that may make Desmond's premonition come true. A Charlie-centric episode.

The Author proves to be a formidable wild card and forges an alliance with Gold. Emma, her parents, Hook and Regina scramble to stop them, but when Gold and the Author turn the tables on heroes and villains alike, the prospect of any happy outcome appears worlds away. Henry discovers he has big shoes to fill as he steps up to save his family before the story’s final page is turned. It’s a race to the finish, and everything culminates with a shocking twist that will leave the residents of Storybrooke reeling.

In order to prevent more loss of life, Hurley leads the other survivors to speak with the Man in Black. In the flash sideways, Hurley meets Libby, while Desmond continues his mission to let the Oceanic 815 passengers know of their lives on the island.

On the 100th episode milestone for the series, the time of reckoning has begun when Daniel Faraday comes clean regarding what he knows about the island.

The residents of Storybrooke race to stop Pan from placing another curse on the town.

Hook and Emma try to find their way back to the present and correct the mistakes they made in the past.

A flashback reveals Cyrus' origin; Alice wants answers from the White Rabbit; disdain between the Red Queen and Jafar comes to a head.

Ben finally takes his revenge on Widmore after accepting the Man in Black's request for assistance. Jacob explains the purpose of the candidates, and Jack volunteers to take his place. The search for Desmond reveals that he has been rescued and the Man in Black plans to use him to destroy the island. In the flash sideways, each person ends up on their way to a concert.

Everyone on the island is at risk when one of the survivors decides to go against them and taking matters into their own hands.

Emma captures the Snow Queen and learns that they are more alike then she can possibly imagine. In arendelle of the past, Ingrid discovers her deadly ice powers and makes a pact with her two sisters to protect and always be there for one another – no matter what.

Ilana discovers Ben killed Jacob, so she plans to kill him. Meanwhile, Jack, Hurley and a suicidal Richard visit the Black Rock. In the flash sideways, Ben, a high school teacher, tries to blackmail the school's principal.

Wish Rumple’s evil plan is revealed and Regina realizes the only hope to stop him is by turning Wish Henry from his path for vengeance. Meanwhile, Tilly and Margot try to get help in Storybrooke. With his hope of ever being reunited with Belle fading, Weaver struggles to find a way to defeat his evil alter ego; and when Rogers’ life is threatened, he is faced with the ultimate sacrifice. Series Finale.

Locke shoulders the burden of ending the island's increasingly violent movements through time; Ben is stymied in his efforts to reunite the Oceanic 6 and bring them back to the island.

A determined Michael convinces Jack and several castaways to help him rescue Walt from "The Others." With Jack away, Locke is left in charge of the hatch and must decide if he should believe Henry and not push the button, risking everyone's safety. Meanwhile, the events that happened to Michael after he left are finally revealed. Meanwhile, Charlie struggles with Eko's decision to discontinue building the church.

Zelena threatens to kill Henry if Hook - whose lips have been cursed by the Wicked Witch -- doesn't proceed with kissing Emma, which will drain all of her magical powers away, and things begin to heat up between Regina and Robin Hood. Meanwhile, back in the Fairy Tale Land that was during the past year, Snow and Charming go in search of Glinda, The Good Witch of the South, to see if she can help them defeat Zelena, and the curse that will ultimately send the Fairy Tale characters back to Storybrooke is cast -- but from an unlikely source.

In the aftermath of the Snow Queen’s spell, our heroes try to pick up the pieces and Regina has to make a difficult choice. Hook’s fate hangs in the balance as Gold’s quest for power threatens everything he holds dear. And, in the Enchanted Forest flashback, an intrusion during Belle's stay at Rumplestiltskin's dark castle will wreak havoc in both the past and the future.

Emma regains her memory but discovers that the Black Fairy has set the perfect trap for her. Meanwhile, the Evil Queen makes the ultimate sacrifice to save her former kingdom, and Gold is forced to choose between Good and Evil.

In New York, Hook tries to get Emma to remember who she really is. In the past, the Storybrooke residents return to the Enchanted Forest and are threatened by a threat like no other.

A scared and confused Elsa from Arendelle finds herself in Storybrooke and creates a powerful snow monster for protection. Regina wonders if her relationship with Robin Hood has been completely quashed now that Marian's back in the picture. Elsa's sister wants to complete their parent's fateful journey and discover if their quest may have held the secret to containing Elsa's out of control ice powers.

Immediately after becoming the Dark One, Emma disappears and the heroes must band together to save her, but first they have to find her, which will require the help of an unlikely ally. Meanwhile, in the Enchanted Forest, Emma struggles to resist her dark urges as she searches for Merlin in the hope that he can stop her transformation. Along the way to Camelot, she gets help from the plucky and brave warrior princess Merida, as well as King Arthur and his Knights of the Round Table.

Locke's hostage may be the key to getting off the island, so Sayid and Kate go in search of their fellow castaway in an attempt to negotiate a peaceful deal.

The Others prevent Sawyer and Kate from escaping, leaving Sawyer perplexed by the extent of the measures taken to keep them imprisoned. Jack is asked to use his medical training to save the life of one of the Others. At the beach, Desmond's strange behavior attracts attention. He begins to construct a mysterious device.

Juliet is forced to reveal some startling news to Jin when Sun threatens to move to Locke's camp. Meanwhile, Sayid and Desmond begin to get an idea of the freighter's crew when they meet the ship's captain.