Oktoberfest Tampa: Plenty of beer and German fare along with a variety of individual and team competitions including stein hoisting, keg stacking, carry the wench, tug-o-war, grain sack toss and corn hole. 11 a.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa. $8-$20.
Garth Brooks: The country superstar will be playing in Orlando for the first time in 18 years. As always, wife Trisha Yearwood will open the show. 7 p.m., Amway Center, 400 W Church St., Orlando. $74.98. (407) 440-7000.
Afternoon with an Astronaut: Astronaut Story Musgrave will answer questions and share stories from his 53 days in space before special screenings of Hubble in the IMAX Dome. Noon and 3 p.m., Museum of Science and Industry (MOSI), 4801 E Fowler Ave., Tampa. $15, $10 members. (813) 987-6000.
Tropical Trip Music Fest : A tribute to the music of Bob Dylan, Paul McCartney & The Beatles, Neil Young and more performed by some of the past, present and future music legends of Tampa Bay and beyond. Noon, Jannus Live, 200 First Ave. N, St. Petersburg. $20, $15 advance. (727) 565-0550.
Meet Sum 41: Sum 41 will be making a stop at Daddy Kool for a signing before their show at State Theatre. 2 p.m., Daddy Kool, 666 Central Ave., St. Petersburg. Record purchase required. (727) 822-5665. The Canadian pop-punk outfit performs alongside guests Senses Fail and As It Is. 7 p.m., State Theatre, 687 Central Ave., St. Petersburg. $24. (727) 895-3045.
Florida Orchestra Pops: Cirque de la Symphonie: The Florida Orchestra accompanies performers of extraordinary acts including aerial flyers, acrobats, contortionists, balancers and strongmen. 2 and 8 p.m., Mahaffey Theater, 400 First St. S, St. Petersburg. $15-$45. Toll-free 1-800-662-7286.
St. Petersburg Second Saturday ArtWalk: Meet the artists and gallery owners during this casual, festive evening as over 40 studios and galleries come together as one arts destination. Free trolley available. Map available at www.stpeteartsalliance.org. 5 p.m., Downtown St. Petersburg, Various locations, St. Petersburg. Free. (727) 518-5142.
Vault of Souls: Tampa's reservations only haunted attraction immerses you into the story line to a point where you become a character in the show. Each room is explored in the first person and unfolds your destiny. Make a reservation at elegantfear.com. Slots available between 6 and 11:30 p.m. every Friday and Saturday in October. The Gin Joint stays open until 2 a.m. 6 p.m., The Vault, 655 N Franklin St., Tampa. $100. (813) 842-6958.
Denzel Curry: The N64 and Ice Age rapper performs alongside Boogie. 7 p.m., The Orpheum, 1915 E Seventh Ave., Ybor City. $18-$30. (813) 248-9500.
Oracle: Opening Reception: A collaborative exhibition between artist George Retkes and Laura Spencer, of limited edition screen prints that explore magic, mysticism and a touch of psychedelia. Remains on display through October. 8 p.m., Blue Goose, 48 Dr. Martin Luther King Jr. St. N, St. Petersburg. Free. (727) 201-9690.
KIDS AND FAMILY
Movies in the Park: The Jungle Book: Enjoy a film under the stars in this weekly outdoor series with food trucks on site. 7:30 p.m., Water Works Park, 1710 N Highland Ave., Tampa. Free. (813) 274-8750.
Day of Reckoning, 9 p.m., Syfy. A made-for-TV shriek-fest has strange creatures coming up from below to purge humanity of evil.
MORE TO EXPLORE
Find more Halloween events at tampabay.com/things-to-do.