Once Upon a Time (2011)

S5E16 Our Decay

Emma, Snow, David, Regina, Robin, Henry, and Hook persist in their quest to liberate everyone from the Underworld. Under Hades’ control, Gold manages to create a portal to Storybrooke, bringing Belle, Zelena, and Baby Hood into the Underworld. Tensions flare as Zelena and Regina engage in a sibling argument, while Belle reunites with Rumple and receives life-altering news. Meanwhile, Snow and David struggle to communicate with their son, Neal, from the Underworld. In flashbacks, Hades discovers Zelena's unique spell and visits her in Oz, seeking an alliance but finding more than he bargained for.