5x21 Emma & Hook #1

DANGER LOOMS IN STORYBROOKE AS HADES GROWS MORE POWERFUL, BUT CLASHING WITH HIM MEANS LIVES WILL BE LOST - AND SAVED - ON ABC'S 'ONCE UPON A TIME'

Greg Germann Guest Stars as Hades, Amy Manson as Merida and Liam Garrigan as King Arthur

"Last Rites" - Emma, David, Regina, Robin and Henry are finally back home in Storybrooke and reunited with Snow, but, unfortunately, they still have to contend with Hades, who continues to deceive Zelena as he lays out his plan to use the all-powerful Olympian Crystal to take over the town. The heroes desperately search for a way to defeat Hades while Hook does the same in the Underworld, looking for those missing storybook pages. Regina and Robin take a more direct approach, which culminates in an epic showdown that will leave our heroes forever changed, on "Once Upon a Time," SUNDAY, MAY 8 (8:00-9:00 p.m. EST), on the ABC Television Network.