On May 17 and 18, 10:15 and 11:30 a.m., enjoy Jojo’s Trip to the Zoo. It’s field-trip day and Jojo can’t wait to get to the zoo. But when he finds a little lost furball, what can he do? Asking for help for his new animal friend leads to a behind-the-scenes adventure, meeting some favorite animals and learning about our wonderful Earth and its creatures. For ages 3 to 7. On May 31 and June 1, 10:15 and 11:30 a.m., enjoy The Doubtful Sprout with Liz Joyce. Get ready to explore the underground in this puppet adventure. Tunnel down with Worm and Sprout as they discover the mysterious life found in soil. Along the way, kids help figure out the secrets that help Sprout grow. Acclaimed master Puppeteer Liz Joyce, brings this ecological wonderland to life with several styles of puppets, projections and song. For ages 4 to 8. All shows are at the Smithsonian Ripley Center, 1100 Jefferson Dr. SW, on the National Mall. Tickets are $6 per child, $3 for under two and $8 for adults. discoverytheater.org.