Once Upon a Time (2011)

S3E1 The Heart of the Truest Believer

Emma, Mary Margaret, David, Regina, Mr. Gold, and Hook venture into Neverland to rescue Henry, who has been abducted. Upon their arrival, they encounter a hostile group of mermaids who threaten to thwart their mission right from the start. Meanwhile, Henry is on the run from the Lost Boys, joined by another escapee from Peter Pan's camp. In the Enchanted Forest, Neal, still healing from his injuries, teams up with Mulan as they seek to uncover what has happened to Emma and Henry.