* Take 'em out to the ballgame and slip 'em some art enrichment, too, at "All-Stars: American Sporting Prints From the Collection of Reba and Dave Williams" at the Fullerton Museum Center, 301 N. Pomona Ave. The exhibit depicts 30 sports in more than 60 prints of various methods and vintages. Admission is a buck on Thursdays from 6 to 8 p.m., $2-$3 all other days. Kids younger than 12 free. Closed Monday and Tuesday. (714) 738-6545.
* The Fullerton Children's Repertory Theater opens "The Wizard of Oz" at the Fullerton Union High School Little Theater, Chapman Avenue and Lemon Street. Featuring 62 fifth- through eighth-grade actors "and one adorable dog," the musical runs Friday and Saturday at 7:30 p.m., with matinees on July 24 and 31 at 1:30 p.m., and a 7:30 p.m. performance on July 29 benefiting the "Reading for the Blind" program. $8. (714) 671-1084.
* Sixteen young dancers and singers from St. Petersburg, Russia, present a 2 p.m. program of traditional music at Mission San Juan Capistrano. The concert is part of a tour sponsored by the Nightlight Foundation of Brea, which assists in the adoption of Russian children by American families. Free with grounds admission, $4-$5. (949) 248-2048.
* Cast off for literary adventure when actor Jeffrey Paul Whitman presents "Two Years Before the Mast," a one-man show based on Richard Henry Dana's tale of his years "before the mast," working on the crew of a tall ship traveling from Boston to the California coast in 1834. The performance is held on the deck of the Pilgrim, a full-sized replica of Dana's ship, moored adjacent to the Orange County Marine Institute at 24200 Dana Point Harbor Drive, Dana Point. Shows are Saturday at 6:30 and 8:30 p.m. through Aug. 14. $15-$20. (949) 496-2274. Recommended for 10 and older.
* "Once Upon a Midnight" isn't kiddie fare, but it should send a delightful chill up the spines of older children and adults. The one-man show by actor John Astin (remember Gomez Addams, patriarch of television's "The Addams Family"?) paints a vivid and sometimes unsettling portrait of author Edgar Allan Poe's life and works. At 8 p.m. in the Pearson Park amphitheater (Lemon and Sycamore streets, Anaheim). $5 at the door. (714) 765-5274.
* Nickelodeon presents the All That Music and More Festival, featuring performances by B*Witched, 98 Degrees, Monica and others, plus appearances by the cast of Nickelodeon's "All That" show and activities and displays for kids. Doors open at 4:30 p.m., concert at 7 p.m. at Irvine Meadows Amphitheatre, 8808 Irvine Center Drive. Tickets are $18-$38 at box office; $12-$32 plus handling fees from Ticketmaster. (714) 740-2000.
* The new Front Row Center civic light opera company for youths and young adults opens its production of "Annie" at Servite High School theater, 1952 W. La Palma Ave., Anaheim. Performances, complemented by a live orchestra, are Thursday and Friday at 8 p.m., Saturday at 2 and 8 p.m., and Sunday at 2 p.m. $10-$14. (714) 772-2664.
* Trout Fishing in America--that would be the band, not the Richard Brautigan book--presents a 3:30 p.m. "mini-concert" for kids at the Newport Beach Zany Brainy store, 900 Avocado Ave. They'll perform such tunes as "My Hair Had a Party Last Night" and others from their "My World" recording, which won the 1998 Independent Children's Album of the Year award. Free. (949) 640-5131.