ONCE UPON A TIME - "The Crocodile" - Belle's disgust over Mr. Gold's continuing thirst for power comes to a head, and she threatens to leave him if he can't change his evil ways; the dwarves pick up their axes and try to find fairy dust in the Storybrooke mine; and a reunion with an Old Acquaintance could prove to be Belle's undoing. Meanwhile, back in the fairytale land that was, Rumplestiltskin attempts to save his wife, Milah, from being kidnapped by a band of cutthroat pirates, on "Once Upon a Time," SUNDAY, OCTOBER 21 (8:00-9:00 p.m., ET) on the ABC Television Network. (ABC/JACK ROWAND) Robert Carlyle, COLIN O'DONOGHUE