5x12 Emma Hook

MIDSEASON PREMIERE AFTER HOOK SACRIFICES HIMSELF TO SAVE STORYBROOKE, THE HEROES FOLLOW HIM TO THE UNDERWORLD WHERE THEY ENCOUNTER FACES FROM THEIR PAST, ON ABC S SPECIAL 100th EPISODE OF ONCE UPON A TIME Greg Germann Guest Stars as Hades, Barbara Hershey as Cora, Robbie Kay as Peter Pan, Tony Perez as Valet and Giancarlo Esposito as Sidney Glass, Magic Mirror Souls of the Departed Emma, Regina, Mary Margaret, David, Robin, Henry and Gold arrive in the Underworld, on a mission to rescue Hook, only t