Fast national ratings for Sunday, Dec. 4, 2011The ratings for "Once Upon a Time" dipped for the second straight week on Sunday after a string of rock-steady performances earlier in the season. It did, however, keep ABC competitive in its hour. "Pan Am's" more

Once Upon a Time  “The Shepherd” Episode 6  airs Sunday December 4 at 8pm. Synopsis:  David – aka John Doe – must choose between staying  with Kathryn or leaving  her to be with Mary Margaret, with whom he’s fallen more