# Boo-vie Night at Welsh Park — Rockville > Event for families in the Washington–Arlington–Alexandria area (DC / VA / MD / WV). Times are Eastern Time. - When: Thu, Oct 29 · 6:00 PM – 9:00 PM - Where: Welsh Park, 344 Martins Lane, Rockville, MD 20850 - Ages: Families - Price: FREE - Status: Ended (last date Thu, Oct 29). - Organizer: Rockville City Police Department (City of Rockville) - Official page: https://rockvillemd.gov/police - Last checked: Tue, Oct 27 Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Nov 11, 2026, with more added regularly. About: https://grassyknees.com/about Freshness: listings are re-checked on a daily research run (latest check 2026-11-10), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/washington-dc/activities/boo-vie-night-at-welsh-park-rockville--listing-6fdfd3e0b8402393bdccee04 ## About Rockville City Police host a free Halloween-week evening at Welsh Park: children trunk-or-treat from officers' decorated vehicles, then families claim a spot on the grass for an outdoor showing of the Pixar film "Monsters, Inc." It is a gentle, preschool- and elementary-friendly way to celebrate two days before Halloween, with a G-rated movie rather than scares, and a chance for kids to meet local officers up close. The event runs from 6 to 9 p.m., so families with young children can come for the trunk-or-treat at the start and leave before the film ends. Bring costumes, a candy bag, and blankets or low chairs for the movie; dress warmly for an October evening outdoors. 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