Trick-or-Treat: The Brockton Rox will host a Trick-or-Treat event on Thursday from 3 to 5 p.m. at Campanelli Stadium. Children are invited to attend this free event and enjoy candy, pictures with the mascot, and costume contests with more than 15 local businesses participating. www.brocktonrox.com or 508-559-7000.
Halloween party: The Hanover Senior Center will host a Halloween party on Monday at 12 p.m. There will be lunch, prizes, raffles, trick and treats, and a presentation by paranormal researcher Jeff Belanger. Admission is $5 with a reservation. 781-924-1913.
Harvest Fair: Linden Ponds hosts a Harvest Fair on Saturday from 9 a.m. to 1 p.m. at the Derby Clubhouse. There will be crafters, a bake sale, raffles, a hayride, and crafts for children. Parking and admission are free. 781-534-7276.
Halloween parade: Anyone wishing to participate in the Halloween Parade should meet with folks from the Marion Art Center at the Music Hall at 4 p.m. on Thursday. Volunteers should wear costumes. The parade route will lead down Cottage Street, where witches from the art center will hand out goody bags. www.marionartcenter.org or 508-748-1266.
Concert: Parkway Concert Orchestra begins its season with “Spooky!” on Nov. 3 at 3 p.m. at the First Congregational Church. Geneviève Leclair conducts the 50-piece orchestra, with featured violinist Kay Rooney-Matthews. Donations are $15, $10 for seniors and students, free for children under 12 years old with reservations. www.parkwayconcertorchestra.org or 781-762-0288.
Gala and auction: South Shore YMCA will host the 13th annual Enchanted Evening Gala and Auction: Casino Royale on Friday from 6 to 11 p.m. at the Boston Marriott Quincy. There will be dinner, dancing, entertainment, auctions, casino games, and raffles. Proceeds go to the YMCA’s Annual Support Campaign. Tickets can be purchased online for $150 per person. www.ssymca.org or 617-479-8500.Send items to Globe South, Boston Globe, Box 55819, Boston, MA 02205, or firstname.lastname@example.org.