Thursday
‘Harriet’s Happiest Halloween’
Harford Dance Theatre Company invites you to join Harriet on an all new adventure. When she visits a local museum, Harriet meets up with an eclectic cast of characters who shine on stage in a variety of dance styles. Oct. 18-21, showtimes vary, $10-$20, liveatharfordcc.com
Friday
School’s Out: Be the World’s Change Day Camp
Spend your day off from school in a purposeful way. Partner with the social entrepreneurship program Unreasonable Kids and help change the world. Identify an environmental issue and develop an idea or campaign to help solve it. Registration required. Ages 10-14. Robinson Nature Center, 8:30 a.m.-3:30 p.m., $65, howardcountymd.gov/Robinson
Africa Umoja – ‘The Spirit of Unity Tour’
Join in the celebration as you experience the history and culture of South Africa presented through dynamic song, instruments and dance. Oct. 19-28, Hippodrome Theatre, showtimes vary, $59+, france-merrickpac.com
Saturday
Railroading Day – Calling All Scouts.
In partnership with the Boy Scouts of America, all scouts are invited to a day filled with hands-on activities and the opportunity to meet merit badge requirements. B&O Railroad Museum, 10 a.m.-4 p.m., $20/adults, $12/children, borail.org
HCPL 8th Annual Comic Con
The library is being taken over to celebrate all things comic book and gaming. Photo ops, panels, games, trivia, virtual reality and more. Don’t forget your costume. Harford County Public Library, Bel Air Branch, 10 a.m.-5 p.m., free, hcplonline.org
Fun with Miniatures
Explore tiny living with displays of dollhouses, room boxes, toy model trains, Legos and more. The detail will amaze you. Co-sponsored by Maryland Miniatures Unlimited. Oct. 20 (11 a.m.-4 p.m.) and 21 (11 a.m.-3 p.m.), Historical Society of Baltimore, $6 adults, $2 children 6-16, hsobc.org
OktoBEARfest
Beer lovers needed. Support the animals and quench your thirst with fall flavors. With more than 50 seasonal brews and unlimited sampling, you’ll have a hard time picking your favorite. Maryland Zoo, 12-5 p.m., $49-$69, $29 non-sampling; marylandzoo.org
Sunday
‘Biscuit’
Children will delight at the musical adaptation of the popular storybook series by Alyssa Satin Capucilli about a sweet puppy and his beloved little girl owner. Gordon Center for Performing Arts, 10 a.m., $13 in advance, $15 at the door, jcc.org/gordon-center
Games in the Meadow
Grab your family and head outside for a morning of soccer, croquette and golf, otherwise known as SCAG. It may just become your new favorite sport. Howard County Conservancy, 10 a.m.-12 p.m., free, hcconservancy.org
Baltimore Children’s Business Fair
“Shark Tank” has nothing on these kids. Chat with young, local entrepreneurs and find out about the amazing work they are doing. Baltimore Museum of Industry, 12-3 p.m., free, thebmi.org
TNT (Theatre Night for Teens): ‘Sweat’
This teen-only event gives high schoolers the opportunity to enjoy dinner and a show along with an inside look at the creative process at The Everyman Theatre. Everyman Theatre, 5:30 p.m., $10, everymantheatre.org