Watertown ceelbrates Halloween with an annual Trick-Or-Treat on the Public Square. Trick-Or-Treating around the square starts at 5 PM on October 30th. - - - - - - - - - - Costume Contest - At the Gazeebo Watertown Costume Contest Categories Pets 0 - 3 4 - 8 9 - 12 13 -17 18 […]