Once Upon a Time‘s trip to the Underworld will be a walk down memory lane for the ABC fairy tale series.
In the midseason premiere, fittingly titled “Souls of the Departed,” Emma (Jennifer Morrison), Regina (Lana Parrilla), Snow (Ginnifer Goodwin), Charming (Josh Dallas), Robin (Sean Maguire), Henry (Jared Gilmore), and Gold (Robert Carlyle) arrive in the Underworld hoping to rescue Hook (Colin O’Donoghue).
Unfortunately, it won’t be so easy. The inhabitants of the Underworld are all souls with unfinished business, including personal vendettas that will make our heroes’ mission all the more difficult. In the new photos released below, Regina comes face-to-face with her mother, Cora (Barbara Hershey), for what appears to be a happy reunion. Gold reuniting with his father, Peter Pan (Robbie Kay), looks much less so.
And it wouldn’t be the 100th episode without a celebration. Back in the Enchanted Forest that was, a familiar face from the Evil Queen’s past returns to present Regina with the perfect birthday gift. Ruh-roh.
Once Upon a Time returns Sunday, March 6 at 8 p.m. ET on ABC.