St. Pete Beach Corey Area Art and Craft Festival: A full spectrum of craft/art media by 100 crafters will be on display and for sale including folk art, pottery, handmade clothing, painted wood, personalized gift items, quilts and hair accessories. 10 a.m.-4 p.m. Free. Corey Avenue area, St. Pete Beach. (561) 746-6615. www.artfestival.com.
Pinellas Pepper Fest: Music, family fun, pepper plants for sale, pepper-related items, a pepper eating contest, amateur salsa and hot sauce competitions and a spicy lolly lick-a-thon. Portion of proceeds benefits Suncoast Hospice. 11 a.m.-4 p.m. $2, 12 and under free. England Brothers Bandshell Park, 5010 81st Ave. N, Pinellas Park. (727) 423-8433. pinellaspepperfest.com.
Doubt: Sister Aloysius, a Bronx school principal, takes matters into her own hands when she suspects Father Flynn of improper relations with one of the male students. But without proof, the only certainty is "doubt." 2 p.m. $22. Academy of St. Petersburg City Theatre, 4025 31st St. S. (727) 866-1973. www.spcitytheatre.org.
Ariadne auf Naxos: Mark Sforzini directs this opera about the richest man in Vienna who goes to great lengths to host an incredible party. Sung in German with English subtitles. 2 p.m. $21.50-$64.50. Palladium Theater, 253 Fifth Ave. N, St. Petersburg. (727) 822-3590. mypalladium.org.
Jackie Evancho: The classical artist, who's already earned gold and platinum records before turning 13 after hitting it big on NBC's America's Got Talent, performs "Songs from the Silver Screen" as she does in her new album. 7 p.m. $55.50. Mahaffey Theater, 400 First St. S, St. Petersburg. (727) 893-7832. mahaffeytheater.com.
Sunday Comedy Series: Hawk and Wayne's News of the Weird: Using some of the stories from Chuck Shepherd's nationally syndicated "News of the Weird" column, comedy duo Hawk & Wayne create this improv comedy show. 8 p.m. Pay what you can at the door, $15 advance. American Stage 163 Third St. N, St. Petersburg. (727) 823-7529. americanstage.org.
"Splash & Dash" Children's Biathlon: This is a nonsanctioned children's biathlon event featuring a pool swim and fun run in the park. It is open to children ages 5 to 12 with races completed in three age groups. The biathlon is today at the St. Pete Beach Aquatics Complex, 7701 Boca Ciega Drive. Registration is $5 per child and include an event medal as well as admission into the pool after the Splash & Dash" Children's Biathlon. For additional information about the event, call (727) 363-9264 or visitspbrec.com.
John and Mary K. Wilson Concert: A portion of the proceeds benefits Pinellas Hope. Refreshments will be served. 4 p.m. $20, $35 per couple. St. Anne of Grace Episcopal Church, 6650 113th St. N, Seminole. For additional information about the event, call (727) 392-4483. stanneofgrace.com.
Garden Club Crafts Workshop: Get creative in the Garden Club of St. Petersburg's craft workshop, and take home your created handiwork. Make decorative hanging mirrors for outdoor use. 10 a.m. $4. Garden Club of St. Petersburg, 500 Sunset Drive S. For additional information about the event, call (727) 381-8920.