‘Once Upon a Time’ season 5, episode 15 video: Emma meets Captain Hook’s brother!

Red -For all of those excited about the next new episode of “Once Upon a Time” airing Sunday, trust us when we saw that we’re right there with you. “The Brothers Jones” certainly looks as though it will be a fantastic hour of television, and the sneak peek below offers a little bit more in the way of insight into just what you can expect it.

This preview comes courtesy of ET Online, and it allows for Emma to get some face-time finally with someone who knows Killian Jones better than anyone: His brother Liam! We imagine that in some ways, this has to be a happy occasion; yet, at the same time, there is some hardship in it as well, given that Liam is dead and that they cannot just sit around and enjoy a cup of tea together.

Ultimately, there is a rather different challenge laid out before these characters, one where they may have to find the Underworld equivalent of Henry’s famed storybook in order to determine precisely what the weakness of Hades truly is. If they can acquire this said book, they may figure out the proper way to defeat him, which will in turn set off a chain of events that could lead to victory.

Then again, there’s a good chance that this could also lead to despair. You just have to remember for a minute here that Hades is the vengeful sort, and odds are that he is probably not going to be altogether thrilled with the idea of Liam helping out Hook and Emma with their plan. If they’re not careful, he could try to ship him down the River of Lost Souls without a second thought.

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