In the 20th episode of The Originals' second season, " City Beneath the Sea ," Dahlia closes in on baby Hope, forcing Klaus to fight her in his memories while Elijah and Freya engage in a high-stakes standoff. Meanwhile, Hayley makes a crucial decision to protect her child by escaping New Orleans. You can watch this 2015 episode on CW or browse detailed reviews on IMDb and Den of Geek .