Night owls of all ages are invited to explore California Botanic Garden’s nocturnal worlds during “Things That Go Bump in the Night,” from 5:30 to 9 p.m. Friday, October 6, and Saturday, October 7, at 1500 N. College Ave., Claremont. Flashlights are encouraged.

The event returns following a four-year hiatus and features interactive activities and shows throughout the garden, arts and crafts opportunities, guided tours, food trucks and information booths run by Pomona Valley Audubon Society, Wild Wings of California, Guardians of the Wolves, California Bat Working Group’s SoCal region, Without a Box, and scientists from Harvey Mudd College and University of California, Riverside entomology departments.

Non-member tickets are $16 for adults and $12 for seniors, students and children ages 3 to 12. CalBG adults enter for $12 and other members are $8. Advance tickets are at calbg.org.

Call (909) 625-8767 for more information.