Once Upon a Time (2011)
S1E13 What Happened to Frederick
As David and Kathryn's feelings deepen, David decides it's time to confide in Kathryn about his romance with Mary Margaret and put a stop to his unfulfilling marriage. Simultaneously, in the enchanted realm of fairy tales, Prince Charming, who is on the run from his wedding, teams up with Abigail to embark on a perilous quest to retrieve something dear to her that has been taken away.