How did Hook fare in his quest to end Hades' reign of terror in the Underworld?
On Once Upon a Time Season 5 Episode 15, Hook joined forces with Liam and they went after a book that could prove the key to taking down Hades.
Elsewhere during the hour, Henry was reluctant to not have a back up plan, so he devised a plan of his own that put him in a lot of danger. What happened?
In flashback, we got some much needed insight into the Jones brothers.
Use the video above to watch Once Upon A Time online to get up to speed.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.