Watch The Secret World of Arrietty (2010) HD Full Movie Free on SolarMovie. Watch The Secret World of Arrietty (2010) online free. The Clock family are four-inch-tall people who live anonymously in another family's residence, borro...The Clock family are four-inch-tall people who live anonymously in another family's residence, borrowing simple items to make their home. Life changes for the Clocks when their teenage daughter Arrietty is discovered.