| CdM Branch Family Night! | 07/17/2025 4:00 pm - 6:00 pm |
| CdM Branch Family Night! | 06/19/2025 4:00 pm - 6:00 pm |
| Caterpillars and Butterflies | 03/19/2019 4:00 pm - 5:00 pm |
| Caterpillars and Butterflies | 03/20/2018 4:00 pm - 5:00 pm |
| Cardboard City Extravaganza! | 05/23/2023 4:00 pm - 5:00 pm |
| Cardboard City | 03/26/2024 4:00 pm - 5:00 pm |
| CANCELED Meet a Video Game Developer | 04/30/2024 4:00 pm - 5:00 pm |
| Cabrillo Marine Aquarium (Ages 6-11) | 09/04/2024 4:00 pm - 4:59 pm |
| Cabrillo Marine Aquarium (Ages 0-5) | 09/04/2024 3:00 pm - 3:59 pm |
| Butterfly Habitat Arrival | 04/08/2024 |
| Butterfly and Ladybug Habitat Returns! | 04/07/2025 |
| Butterflies & Blooms Crafts @ Balboa | 04/09/2025 3:00 pm - 4:00 pm |
| Butterflies & Blooms Crafts | 05/15/2019 3:30 pm - 4:30 pm |
| Bunnies and Books for Kids Festival | 05/13/2017 10:00 am - 1:00 pm |
| Build Your Own Puzzles! | 06/08/2025 |
| Build a City! | 07/03/2017 2:00 pm - 3:00 pm |
| Build a City! | 07/06/2017 11:00 am - 12:00 pm |
| Build a City! | 07/06/2017 3:00 pm - 4:00 pm |
| Build a City! | 07/08/2017 11:00 am - 12:00 pm |
| Build a City | 11/23/2019 11:00 am - 12:00 pm |
