Ill-Boding Patterns

"Ill-Boding Patterns" is the thirteenth episode of Season Six of ABC's Once Upon a Time. It was written by Andrew Chambliss & Dana Horgan, and directed by Ron Underwood. It will be the one hundredth and twenty-fourth episode of the series overall, and will premiere on March 19, 2017.

Synopsis
When Gideon resumes his mission to kill Emma and become the Savior, Mr. Gold steps in to ensure that the use of dark magic does not poison his son. Meanwhile, Robin proves willing to ally himself with anyone offering the possibility of escape from Regina and Storybrooke. Hook gathers the courage to come clean to Emma, but not before she discovers he’s been keeping a secret. And in a flashback to Fairy Tale Land, the legendary folk hero Beowulf sets his sights on Rumplestiltskin after the Dark One uses his powers to defeat the ogres and win the war for humanity.

Starring

 * Ginnifer Goodwin as Snow White/Mary Margaret Blanchard
 * Jennifer Morrison as Emma Swan
 * Lana Parrilla as Evil Queen/Regina Mills/Evil Queen (Serum)
 * Josh Dallas as Prince Charming/David Nolan
 * Emilie de Ravin as Belle/Belle French
 * Colin O'Donoghue as Hook
 * Jared S. Gilmore as Henry Mills
 * Rebecca Mader as Zelena
 * Robert Carlyle as Rumplestiltskin/Mr. Gold

Guest Starring

 * Sean Maguire as Robin of Locksley (Wish Realm)
 * Keegan Connor Tracy as Blue Fairy/Mother Superior
 * Raphael Sbarge as Jiminy Cricket/Archie Hopper
 * Giles Matthey as Gideon
 * Brandon Spink as Baelfire
 * Torstein Bjørklund as Beowulf
 * Samuel Patrick Chu as Frightened Soldier
 * Chris Loubardeas as Reveling Soldier
 * Angela Moore as Villager

Trivia

 * -|Production Notes=

Production Notes

 * The title of this episode was revealed by Adam Horowitz via his Twitter acount on November 15, 2016.
 * The episode's title appears in a passage between the lines 1455 to 1458 of the poem Beowulf, in which Hrunting - the sword given to Beowulf by Unferth - is described: "The iron blade with its ill-boding patterns had been tempered in blood".