Family Fest: Cinderella, Toto and the Sippy Cups headline the fourth annual Chevron Family Theatre Festival at Walnut Creek’s Lesher Center for the Arts. The fun runs all day, from 10 a.m. to 4 p.m., July 24, with free activities and shows outside the theater, and $5 seats for the stage performances. Visit www.lesherartscenter.org/theatrefestival for details.
Zany Boat Races: Berkeley hosts its third annual Derby Day cardboard boat races — with prizes for funniest, most futuristic and, of course, fastest sinking ship — from 1 to 3 p.m. July 23 in the West Campus Pool, 2100 Browning St. at Addison. $5 per boat entry.
Movies in the Park: Pack a picnic, and catch a screening of “Cloudy with a Chance of Meatballs” at dusk on July 22 at Pleasanton’s Amador Valley Park, 4301 Black Ave. Free. Questions? Call the parks department at 925-931-5340.
Technicolor Dreamcoat: Livermore’s Tri-Valley Repertory Theatre is staging Andrew Lloyd Webber’s “Joseph And The Amazing Technicolor Dreamcoat” at the Bankhead Theater July 23-August 8. Visit www.livermoreperformingarts.org for ticket information.
Slumber with the Stars: Chabot Space and Science Center is hosting two family-friendly slumber parties this summer on July 23 and August 27. Grab a sleeping bag and catch the cool exhibits and starry fun at 7 p.m. Tickets are $85 — pricey, but after all, you’re sleeping in a space museum. Reservations required: 510-336-7373.