On top of the usual selection of entertainment and events, this weekend brings seasonal fun including costumes, haunted houses, treats and pumpkin patches. Friday Felix and Fingers dueling pianos Residents and visitors can watch an interactive piano show presented by Felix and Fingers, a Chicago-based entertainment company. Performers will take requests from audience members and will perform a variety of songs from different genres. 7:30-9:30 p.m. Free. 15958 City Walk, Sugar Land. www.sugarlandtownsquare.com Friday-Sunday Xanadu JR. It’s not too late for families to catch one of the last performances of Xanadu JR. at Inspiration Stage. In this youth rendition of the Broadway musical "Xanadu," a Greek muse goes on a quest and falls in love as she travels from Mount Olympus to 1980s Venice Beach, California. $12-$25. 7:30 p.m. (Fri.-Sat.), 3:30 p.m. (Sat.-Sun.). 226 Lakeview Drive, Sugar Land. 713-302-5329. www.inspirationstage.com Saturday Tricks and Treats in the park Families and friends can participate in the Monster Mile Fun Run in Buffalo Run Park and stroll along the Tricks and Treat Trail afterward. The event includes games, candy, a petting zoo, moon bounce and a pumpkin patch photo station. Visitors are encouraged to wear costumes. 3:30-6 p.m. Free. 1122 Buffalo Run Blvd., Missouri City. www.missouricitytx.gov Saturday Tricks, Treats, and T-Rex The Houston Museum of Natural Science at Sugar Land hosts a Halloween-themed event with fun crafts, carnival games, a pumpkin patch and face painting. Prizes are awarded to those with the best costumes. 10 a.m.-1 p.m. $3 (museum member), $12 (child), $15 (adult). 13016 University Blvd., Sugar Land. www.hmns.org/hmns-at-sugar-land Saturday Haunted House Parents can take their children to this family-friendly haunted house at the Houston Museum of Natural Science at Sugar Land after hours. This haunted house is best for children age 7 and up. $5 (museum member), $10 (non-member). 13016 University Blvd., Sugar Land. www.hmns.org/hmns-at-sugar-land Saturday Trunk or Treat The First Colony Bible Chapel hosts a fall festival with games and treats for families. Attendees can enjoy the petting zoo, moon bounce, face painting, games and food. 4-7 p.m. 3610 Austin Parkway, Sugar Land. www.firstcolonybible.org Saturday Flying Saucer BeerFeast Beer enthusiasts can choose from a selection of over 100 craft beers from around the world at this festival presented by the Flying Saucer Draught Emporium in Sugar Land Town Square. Attendees can also purchase food from vendors, and a DJ will provide music entertainment. A portion of the proceeds will be donated to the Pints for Prostate charity, which promotes men’s health. Ages 21 and up. $35-$68. 2-6:30 p.m. 2181 Hwy. 6, Sugar Land. 281-242-7468. www.saucerbeerfeast.com Saturday Oktoberfest St. Martin’s Lutheran Church hosts an Oktoberfest celebration, featuring food, music, a children’s costume contest and a DJ as well as a dessert and basket auction. Free. 4-7 p.m. 1123 Burney Rd., Sugar Land. 281-980-0695. www.stmartinslc.org Sunday Halloween Town The city of Sugar Land hosts a Halloween celebration with food and drinks from various vendors, a pumpkin patch and music as well as a costume contest for pets, children and groups. Winners receive special prize packs. Free. 4-8 p.m. 15958 City Walk, Sugar Land. 281-275-2825. www.sugarlandtx.gov Sunday Trunks and Treats The Fishers of Men Lutheran Church is putting on a special Halloween event. Families are encouraged to decorate and park their cars in the parking lot where children can trick-or-treat from cars or play on the inflatable slide. Prizes are awarded for the best-decorated cars. Free. 3-6 p.m. 2011 Austin Parkway, Sugar Land. 281-242-7711. www.fishersofmen.org