9 & 10:30 am: Family

“By the Great Horn Spoon!,” a musical play for ages 5 to 13, based on Sid Fleischman’s book about a boy and his butler in 1849 during the California Gold Rush, will have two performances, each with a Q&A; session with the Laguna Playhouse company after the performance.

* “By the Great Horn Spoon!,” Laguna Playhouse, 606 Laguna Canyon Road, Laguna Beach, Saturday at 9 and 10:30 a.m. $5. (949) 497-2787.

all day: Movies

Films from around the globe highlight the Laemmle Theatres’ World Cinema 2001, beginning Saturday. The Polish film “Life as a Fatal Sexually Transmitted Disease,” by director Krzysztof Zanussi, about a physician thrown into an existential crisis when he learns he is dying of cancer, opens the six-film series. Each film screens for one weekend at the Sunset 5 before moving to the Monica 4-Plex in Santa Monica the next weekend. Other films include “A Love Divided,” from Ireland; “Simon Magus,” from Hungary; “Sasayaki,” from Japan; “Restless,” from Finland; and “Faraw! Mother of the Dunes,” from Mali.

* World Cinema 2001, Laemmle’s Sunset 5, 8000 Sunset Blvd., West Hollywood. “Life as a Fatal Sexually Transmitted Disease,” Saturday and Sunday, 10 a.m. Series continues through Sept. 23. $6 to $9. (323) 848-3500; Laemmle’s Monica 4-Plex, 1332 2nd St., Santa Monica. Saturdays and Sundays, Aug. 25 to Sept. 30, 11 a.m. $5.50 to $8.50. (310) 394-9741.

8:15 pm: Pop Music

Mexico’s Marco Antonio Solis remains on a roll with his latest album, “Mas De Mi Alma,” adding to his massive record sales and his reputation as a premier craftsman of international pop.

* Marco Antonio Solis, Universal Amphitheatre, 100 Universal City Plaza, Universal City, 8:15 p.m. $33.50 to $58.50. (818) 622-4440.

11:30 am: Family

Ready to get up close and personal with a whole lot of bugs and spiders? Then the thing for you might be Dr. Sue’s Traveling Insect & Arthropod Zoo, this weekend only at the Discovery Science Center. Dr. Sue will discuss everything you always wanted to know (but were afraid to ask or touch) about the world of insects. She’ll also show off a collection of live specimens and other interesting bug stuff.

* Dr. Sue’s Traveling Insect & Arthropod Zoo, Discovery Science Center, 2500 N. Main St., Santa Ana, Saturday and Sunday, 11:30 a.m., 1:30 and 3:30 p.m. $8.50 to $11; children 2 and younger free. (714) 542-2823.

7:30 pm: Music

Concluding Southwest Chamber Music’s eighth summer season at the Huntington in San Marino, pianist Mari Kodama continues her ongoing Beethoven sonata cycle. This latest program--also to be heard Sunday night--lists the sonatas in G, Opus 79; in F minor, Opus 2, No. 1; in A, Opus 2, No. 2; in C minor, Opus 13, the “Pathetique”;and in C, Opus 2, No. 3.

* Mari Kodama, Main Art Gallery Loggia, Huntington Library, 1151 Oxford Road, San Marino, 7:30 p.m. $30. Also, Sunday, 7:30 p.m. (800) 726-7147.

all day: Leisure

The All-American Collectors Show will feature more than 200 dealers hawking their wares, including windup toys, cast-iron items, Disney toys, Americana, penny arcade memorabilia, movie buff stuff, gambling and advertising items.

* All-American Collectors Show, Glendale Civic Auditorium, 1401 N. Verdugo Road, noon to 7 p.m. Also 10 a.m. to 4 p.m. Sunday. $1 to $6. (818) 980-5025.

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Freebies

* Opera Under the Stars will actually take place indoors at the historic Warner Grand Theatre, 478 W. 6th St., San Pedro, 8 p.m. The Santa Cecilia Orchestra, conducted by Sonia Marie de Leon de Vega, will be joined by the winners of the recent Artists of the Future vocal competition. (310) 548-7466.

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* Five-time Grammy winner and 1980s hit-maker Christopher Cross will perform in concert at Marie Kerr Park, 39700 30th St. West, Palmdale, 8 p.m. (661) 267-5611.