Lady Antebellum: See the country trio with openers Billy Currington and Joe Nichols. Part of the Country Megaticket. 8 p.m., MidFlorida Credit Union Amphitheatre, 4802 U.S. 301 N, Tampa. $110-$374. (813) 740-2446.
$5 Day at MOSI: Everyone is admitted to MOSI's exhibit galleries for just $5. Zip line and Ropes Course not included. 9 a.m., Museum of Science and Industry (MOSI), 4801 E Fowler Ave., Tampa. $5. (813) 987-6000.
Meet the Stars: Fans of Animal Planet's hit series Tanked can meet Wayde King, Brett Raymer and Heather King during a merchandise and book signing. The stars are in town to celebrate the opening of Guy Harvey's RumFish Grill, for which they built a 33,500-gallon snorkel aquarium. Guy Harvey will also be on hand to sign his artwork. 10 a.m., Guy Harvey Outpost: A Tradewinds Resort, 6000 Gulf Blvd, St. Pete Beach. Free. (727) 360-5551.
97X BBQ: This year's annual music festival kicks it up a notch with headliners Bastille, Sleeper Agent, Kongos and more. 11 a.m., Vinoy Park, 501 Fifth Ave. NE, St. Petersburg. $20; $50 VIP. (727) 579-2000.
Dalí and Beyond Film Series: Un Chien Andalou & Le Pink Grapefruit: See a surreal film for free in the museum's lobby. 1 p.m., Dalí Museum, 1 Dalí Blvd. , St. Petersburg. Free. (727) 823-3767.
SEASON FINALE Saturday Night Live, 11:30 p.m., NBC Andy Samberg returns to host for the first time since leaving the show and finding sitcom success. Then there's the musical guest — the eclectic St. Vincent.
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