Two cities will host open-air produce markets today from 8 a.m. to 12:30 p.m.: • Dunedin Summer Saturday Market, Pioneer Park, Main Street and Douglas Avenue. (727) 733-4215. • Safety Harbor Summertime Market, John Wilson Park and Gazebo, 401 Main St. (727) 461-7674.
Brooker Creek Nature Hike: Get up close to the environment around you in a guided nature hike. Wear closed shoes, bring water and a hat. Best for ages 6 and up. 9-10:30 a.m. Free, but registration required. Brooker Creek Preserve, 3940 Keystone Road, Tarpon Springs. (727) 453-6800. http://brookercreekpreserve.org/
Tennis Clinics for Kids and Adults: USPTA-certified instructor Rob Delgado will teach beginner to intermediate players proper tennis technique and strategy. Classes will be held at 9 a.m. (ages 8-14) and 10 a.m. (ages 15 to adult) Cost: $5, but Largo recreation card holders get in free. Highland Recreation Complex and Family Aquatic Center, 400 Highland Ave. NE, Largo. (727) 518-3016.
Sensory-Friendly Films: Each month, AMC Theatres partners with the Autism Society of America to give families an opportunity to enjoy kid-friendly films in an environment that is friendly and safe for children and adults with autism. The auditoriums keep the lights up and the sound down. Audience members are invited to get up, dance, walk and sing along. The movies show at AMC Woodlands in Oldsmar. The current movie is Despicable Me, the animated tale of three orphan girls who thwart a supervillain's plan to steal the moon. For information, contact the theater at (727) 771-2883. 10 a.m. Regular movie admission price. Woodlands Square 20, 3128 Tampa Road, Oldsmar. (813) 243-4881. http://amcentertainment.com.
Brooker Basics: Wetland Ecosystems: 10 a.m.-noon. Brooker Creek Preserve Environmental Education Center, 3940 Keystone Road, Tarpon Springs. (727) 453-6800; www.brookercreekpreserve.org.
Legends of Rock and Roll Dinner/Dance: Swing to live music by Eddie Rivers and have a barbecue chicken dinner. 5-8 p.m. $7, $6 members. Palm Harbor Community Activity Center, 1500 16th St. (727) 771-6000; phrec.org.
Art exhibit opening: Opening reception for three exhibits: Carolina Cleer's mixed-media narrative portraits; "All Dolled Up," an exhibit and silent auction of mail-art paper dolls; and "Designing Kiddos," where young artists design duds for the next generation. Artist talk begins at 6 p.m. $5 for non-members. Dunedin Fine Art Center, 1143 Michigan Blvd. (727) 298-3322.
The Back to the Future Pub Crawl and Scavenger Hunt: Dress in your favorite attire from back in the 1980s and get ready to scour the streets of downtown Dunedin. Benefits the Family Network on Disabilities. 6-9 p.m. $50 team of 2-5 (hunt and crawl), $15 (crawl only per person). The Boxcar, 349 Main St., Dunedin. (727) 523-1130; fndfl.org/pubcrawl.
Nunsense: Musical comedy about the misadventures of the Little Sisters of Hoboken. 8 p.m. today; 2 p.m. Sunday. Tickets: $26, $16 age 19 and younger. Largo Cultural Center, 105 Central Park Drive, Largo. www.largoarts.com.
The Music Man: Meredith Willson's The Music Man. 8 p.m. today; 2 p.m. Sunday. $18 for nonmembers, $16 for members, $12 for students. Tarpon Springs Performing Arts Center, 324 Pine St. (727) 942-5605; tarponarts.org.
SPCA Tampa Bay's Christmas in July sale: Start your pet's holiday shopping early. Today through Saturday, customers can take 20 percent off pet toys, accessories and more inside the SPCA's pet boutique. Adoption specials are also available for rabbits, cats and dogs. For more information and hours, visit www.spcatampabay.org or call (727) 586-3591.
Heart and Soul Cinema: Sunday afternoon film series at Safety Harbor Library, 101 Second St. N. The Sea Inside, starring Javier Bardem, will be shown at 1:30 p.m. Free. (727) 724-1525.
LiveStrong Exercise for Cancer Survivors: Ongoing gentle exercise class for cancer survivors and those currently in treatment. 5-7 p.m. Free admission. YMCA (North Pinellas), 4550 Village Center Drive, Palm Harbor. (727) 772-9622.
Bingo: Early bird bingo at 6 p.m., followed by regular bingo at 7. Smoking allowed outside on covered deck. 6-9 p.m. Free admission. VFW Post 10304, 724 Tuskawilla St., Clearwater.
Singing is life: The Palm Harbor Crystal-Aires Men's Barbershop four-part harmony chorus invites male singers to come and see if this hobby might appeal to you. The chorus meets at 6:45 p.m. every Monday. Call Wes at (727) 784-8052. 6:45-8:45 p.m. Palm Harbor Community Activity Center, 1500 16th St., Palm Harbor. (727) 784-8052; crystalaires.com.
Dunedin Blue Jays: The Blue Jays take on the Jupiter Hammerheads. On Belly Buster BBQ Mondays, fans can purchase an all-you-can-eat wristband at the barbecue tent for unlimited food and drinks. Kids eat free with purchase of an adult wristband. Wristbands are $16. 7 p.m. Dunedin Stadium, 373 Douglas Ave., Dunedin. (727) 733-9302. dunedin.bluejays.mlb.com.
East Coast Swing Dance: Come for a night of East Coast Swing Dance to the music from the 1940s and '50s. The evening will begin with a group lesson followed by the social dance. All ages welcomed, and no partner is required. 7-11 p.m. $7 per person. Dr. William E. Hale Senior Activity Center, 330 Douglas Ave., Dunedin (727) 298-3299.
Tai Chi: Learn the movements of Tai Chi at a relaxed pace. 9:30 a.m.-10 a.m. $3 with ID card; $4 without. Dr. William E. Hale Senior Activity Center, 330 Douglas Ave., Dunedin. (727) 298-3299.
Teen Tidalwave Tuesdays: Teens and tweens ages 11-17 can hang with friends and enjoy swimming, snacks, games and prizes in and around the pool. 7:15 p.m.-9:15 p.m. $3. Highland Recreation Complex and Family Aquatic Center, 400 Highland Ave. NE, Largo. (727) 518-3016.
Dunedin Blue Jays: If you bring your KRAFT single wrapper to the ticket booth, you can buy one ticket and get one free during the KRAFT Singles Tuesday Night program. The Blue Jays will be playing the Jupiter Hammerheads. 7 p.m. Tickets: $6. Dunedin Stadium, 373 Douglas Ave., Dunedin. (727) 733-9302. http://dunedin.bluejays.milb.com/
Artist Critique: Member artists of the Studio 1212 cooperative invite interested artists to bring one or two unframed, unfinished paintings to an informal critique session. 10 a.m. Free. Studio 1212, 1405 Cleveland St., Clearwater. (727) 446-4566.
Singles Meeting: The Upper Pinellas Singles, a group of active seniors 50-plus, meet weekly for dinner, a program and socializing. 6-7 p.m. $7 per person. First United Methodist Church of Dunedin, 421 Main St., Dunedin..
Authors Showcase: Children's author Brenda Darnley Martin (The Treasure Hunt Fish and Miss Bernadette's Wish) will hold a book discussion and signing. 6:30-8:30 p.m. Free. East Lake Community Library, 4125 East Lake Road, Palm Harbor. (727) 773-2665; www.eastlakelibrary.org.