Alligator walk: Learn about the habitat, eating habits and other mysteries of the American alligator on this tour. 11:30 a.m. Boyd Hill Nature Preserve, 1101 Country Club Way S, St. Petersburg. $3, $1.50 children. Call (727) 893-7326.
Bridal show: Local wedding vendors offer tips, advice and the chance to experience services and sample foods. Noon to 4 p.m. Gulfport Casino, 5500 Shore Blvd. S. $3. Call (727) 893-1070.
Inspire yoga at the Dalí: Salvador Dalí's art infuses the physical, mental and spiritual inspiration of yoga. Classes are 75-minute vinyasa/ashtanga-based events incorporating panorama (breath work), asana (posture work), meditation and relaxation. Beginners welcome. Bring a mat or towel. Classes are in the Community Room or on the front lawn (weather permitting). Participants are asked to go to the Dalí website events calendar to download, print and sign a waiver to bring to class. 12:15 p.m. Dalí Museum, 1000 Third St. S, St. Petersburg. $10 museum members, $15 nonmembers. Call (727) 823-3767 or visit thedali.org/events/calendar.html.
Music in the Marly: A diverse season of informal Sunday afternoon concerts. The audience can meet musicians after each concert. Scheduled for this date: pianist Dan Franklin Smith. 2 p.m. Museum of Fine Arts, 255 Beach Drive NE, St. Petersburg. $20, $10 students. Call (727) 896-2667.
'Pinellas Goes Back to School' Bash: Includes a dance contest with music by DJ Cage, a Silly Bandz trading tent, "New to You" clothing swap, face painting, after-school care information and demonstrations. 11 a.m. to 4 p.m. at the Pier, 800 Second Ave. NE, St. Petersburg. Free. Call (727) 823-0437.
Walking club: Take a scenic walk along Coffee Pot Bayou in St. Petersburg's Old Northeast neighborhood. 6 p.m. Coffee Pot Park, 3001 First St. N. Free. Call (727) 821-7400.
Muvico Free Family Film Festival: This week, The Ant Bully. Doors open at 9 a.m. 10 a.m. Baywalk 20, 151 Second Ave. N, St. Petersburg. Free; refreshments extra. Call (727) 502-0965 or visit muvico.com/freefilmfest.asp.
Nesting sea turtles: Clearwater Marine Aquarium educator Joe Malo takes families to visit turtle nesting beach habitat. 7 p.m. Tradewinds Island Grand Resort, 5500 Gulf Blvd., St. Pete Beach. Free. Call (727) 343-1272.
The Wiggles: The Wiggly Circus Tour comes to town. 6:30 p.m. Mahaffey Theater, 400 First St. S, St. Petersburg. $12-$77. Call (727) 892-5798.
Urban Porch Party: Join the Downtown Neighborhood Association for drinks, appetizers and a discussion by sculptor Eric Higgs, who will describe the sundial project he designed for North Shore Park. 6 p.m. Old Northeast Tavern, 201 Seventh Ave. N, St. Petersburg. $15, $10 DNA members. Call (727) 550-0096 or visit stpetedna.org/porchparty.html.
Coffee talk/movie: Features 1968's Charly. 1:30 p.m. Gulfport Public Library, 5501 28th Ave. S. Free. Call (727) 893-1074.
Guttermouth: Punk rockers Guttermouth perform with the New Threat and Dead Cat Lounge. 7 p.m. State Theatre, 687 Central Ave., St. Petersburg. $15. Call (727) 895-3045.
Band concert: Free concert by the Masonic Band. 4 p.m. Masonic Home of St. Petersburg, 3201 First St. NE. Free. Call (727) 584-1391.
'Turn Back the Clock' game: When the Rays face the Baltimore Orioles, both teams will wear uniforms circa 1970 and disco icons the Village People will perform after the game. The Rays will wear 1970 Tampa Tarpons uniforms, and the Orioles will wear all orange uniforms worn only twice in 1971. 7:10 p.m. Tropicana Field, 1 Stadium Drive, St. Petersburg. Price varies. Call 1-888-326-7297.
Bike Safari: Leisure Ride: A guided ride through the trails at the best pace for nature watching. Sun block and bug spray are suggested, and a sense of adventure is required. Recommended for children and adults without "off road friendly" bikes. 10:30 a.m. Boyd Hill Nature Preserve, 1101 Country Club Way S, St. Petersburg. $5 (includes preserve admission). Call (727) 893-7326.
NAT open house: The bay area's newest professional musical theater company hosts an open house to let folks meet instructors and staff members, and learn about the classes they'll be offering. Noon. New American Theater, 183 Second Ave. N, St. Petersburg. Free. Call (813) 784-0536.