an Entity references as follows:
"Tougher Than the Rest" is the eleventh episode of the sixth season of the American fantasy drama series Once Upon a Time, which aired on March 5, 2017. In this episode, Emma must find a way to escape the Wish realm as she tries to convince Regina that Robin Hood is part of the universe, while David takes matters into his own hands when Gideon arrives, thus making matters disturbing for Gold and Belle.