Thanks to Tumblr, we have a new promo for the show’s return, featuring many new scenes!
As a warning, the promos spoils an important plot detail, and it features scene from several new episodes (not just the next one), so watch at your own risk.
The promo is here.

AFRAID THAT THE STRANGER MAY HAVE SEEN MAGIC BEFORE HIS ACCIDENT,
SOME OF THE STORYBROOKE RESIDENTS WANT DR. WHALE TO LET HIM DIE
SO THAT HE CANNOT EXPOSE THEIR TRUE IDENTITIES TO THE WORLD,
AND VICTOR TRIES TO PROVE TO HIS FATHER THAT HE CAN
BRING BACK THE DEAD, ON ABC’S “ONCE UPON A TIME”

“In the Name of the Brother” – Dr. Whale is tasked with mending Hook’s wounds and performing surgery on the stranger whose car crashed upon entering Storybrooke. But some of the townspeople fear that the stranger may have seen magic — which could expose their true identities to the world — and think that leaving him to die would be the best solution. Meanwhile, as Mr. Gold tries to reunite with a despondent Belle, Cora attempts to reunite with daughter Regina; and in the land that was, Victor desperately wants to prove to his disapproving father that he can, indeed, bring back the dead, on “Once Upon a Time,” SUNDAY, JANUARY 20 (8:00-9:00 p.m., ET) on the ABC Television Network.

“Once Upon a Time” stars Ginnifer Goodwin as Snow White/Mary Margaret, Jennifer Morrison as Emma Swan, Lana Parrilla as Evil Queen/Regina, Josh Dallas as Prince Charming/David, Emilie de Ravin as Belle, Jared S. Gilmore as Henry Mills, Meghan Ory as Red Riding Hood/Ruby, and Robert Carlyle as Rumplestiltskin/Mr. Gold.

“In the Name of the Brother” was written by Jane Espenson and directed by Milan Cheylov.

MR. GOLD ATTEMPTS TO DISCOVER IF HIS SPELL WILL ALLOW HIM TO CROSS
THE STORYBROOKE BORDER AND GO IN SEARCH OF HIS SON, AND BELLE MEETS
UP WITHMULAN TO SLAY A FEARSOME YAOGUAI, ON ABC’S “ONCE UPON A TIME”

“The Outsider” – Mr. Gold finds an unwilling test subject to see if a spell he has concocted will allow him to cross the border of Storybrooke — without losing his memory — and go in search of his son, Bae; Belle stumbles upon a vengeful Hook in the Storybrooke harbor whose main goal is to eradicate Rumplestiltskin; and Mary Margaret and David go house hunting in search of a bigger place to live. Meanwhile, in the fairytale land that was, Belle meets Mulan as the two set out to slay a fearsome beast called the Yaoguai, who has been ravaging the land, on “Once Upon a Time,” SUNDAY, JANUARY 13 (8:00-9:00 p.m., ET) on the ABC Television Network.

“Once Upon a Time” stars Ginnifer Goodwin as Snow White/Mary Margaret, Jennifer Morrison as Emma Swan, Lana Parrilla as Evil Queen/Regina, Josh Dallas as Prince Charming/David, Emilie de Ravin as Belle, Jared S. Gilmore as Henry Mills, Meghan Ory as Red Riding Hood/Ruby, and Robert Carlyle as Rumplestiltskin/Mr. Gold.

“The Outsider” was written by Andrew Chambliss & Ian Goldberg and directed by David Solomon.

Deadline is reporting that Charmed actress Rose McGowan has been cast as the younger version of Barbara Hershey’s character Cora, the Evil Queen’s mother, for an upcoming flashback.

No news yet on when flashback this take place but, based on the timing of the announcement, it will likely be episode 2.15 or 216.

ABC will rerun episode 2.01 “Broken”, 2.04 “The Crocodile” and 2.06 “Tallahassee” on Saturday, January 5, the day before the new episode. The marathon will start at 8pm.

A rerun of episode 2.09 “Queen Of Hearts” will air on Sunday, January 6, starting at 7pm, just before the new episode.

EMMA THINKS REGINA MAY BE INNOCENT OF MURDERING ONE OF THE TOWN’S MOST BELOVED FAIRYTALE CHARACTERS, AND SNOW WHITE AND PRINCE CHARMING SET ABOUT PLANNING THE EVIL QUEEN’S PUBLIC EXECUTION, ON ABC’S “ONCE UPON A TIME”

“The Cricket Game” – Regina is accused of murdering one of the town’s most beloved fairytale characters — but only Emma senses that she may be innocent. Meanwhile, back in the fairytale land that was, after capturing the Evil Queen, Snow White and Prince Charming set about planning her public execution in order to rid the land of her murderous tyranny, on “Once Upon a Time,” SUNDAY, JANUARY 6 (8:00-9:00 p.m., ET) on the ABC Television Network.

“Once Upon a Time” stars Ginnifer Goodwin as Snow White/Mary Margaret, Jennifer Morrison as Emma Swan, Lana Parrilla as Evil Queen/Regina, Josh Dallas as Prince Charming/David, Emilie de Ravin as Belle, Jared S. Gilmore as Henry Mills, Meghan Ory as Red Riding Hood/Ruby, and Robert Carlyle as Rumplestiltskin/Mr. Gold.

Guest starring are Raphael Sbarge as Archie Hopper/Jiminy Cricket, Lee Arenberg as Leroy/Grumpy, Barbara Hershey as Cora, Keegan Connor Tracy as Mother Superior/Blue Fairy, Colin O’Donoghue as Hook, Tony Perez as Valet, Beverley Elliott as Granny, David-Paul Grove as Doc, Gabe Khouth as Mr. Clark/Sneezy, Faustino Di Bauda as Sleepy, Jeffrey Kaiser as Dopey, Michael Coleman as Happy, Mig Macario as Bashful, David Nykl as fisherman and Michael Soltis as Black Knight No. 1.

“The Cricket Game” was written by David H. Goodman & Robert Hull and directed by Dean White.

When Regina is accused of murdering a beloved fairytale character, Emma thinks she is innocent; Prince Charming and Snow White plan the evil queen’s execution.

GUEST STARS: Raphael Sbarge, Lee Arenberg, Barbara Hershey, Keegan Connor Tracy, Colin O’Donoghue, Tony Perez, Beverley Elliott, David Paul Grove, Gabe Khouth, Faustino Di Bauda, Jeffrey Kaiser, Michael Coleman, Mig Macario, David Nykl, Michael Soltis