Visit The National Theatre on select Saturday mornings at 9:30 and 11 a.m. for free programs for children 4 to 10. Siblings and friends of other ages are always welcome. Here’s the remaining summer lineup: July 13, 123 Andres; July 20, Alice in Wonderland; July 27, The Milkshake Duo; Aug. 3, Fox & Branch. The National Theatre is at 1321 Pennsylvania Ave. NW. Reserve free tickets at thenationaldc.org/saturday-morning-national-season.