Super Boat National Championship and Festival: Some of the fastest powerboats in the world will take part in the seventh annual championship race over three days off the shore of Clearwater Beach. The Race Village in Coachman Park opens to the public at noon for up close race boat viewing. A block party on Cleveland Street starts at 5:30 p.m. with a superboat parade at 6:15 p.m. All For You hitmakers, Sister Hazel help kick-off the party. 9:30 p.m. Noon, Pier 60, 10 Pier 60 Drive, Clearwater Beach. Free. (727) 593-5536.
St. Petersburg Opera: Evenings/Mornings With the Maestro: St. Petersburg Opera artistic director Mark Sforzini leads a program to enhance your understanding of opera and preview shows. Programs are Thursday nights at the Music Gallery of Clearwater and Friday mornings at 11 a.m. at St. Petersburg's Museum of Fine Arts. Preview to Il Trovatore. 11 a.m., Museum of Fine Arts, 255 Beach Drive NE, St. Petersburg. $20, $15-$17 seniors/students. (727) 896-2667.
Bourbon, Beer and Bluegrass: The second annual dinner and concert series features five dining stations, full bar, bourbon and beer flight sampling and live music. Series runs through Oct. 8. This portion features live music by Highway 41 South. 6 p.m., Renaissance Vinoy Resort & Golf Club, 501 Fifth Ave. NE, St. Petersburg. $64. (727) 894-1000.
Halloween Horror Picture Show: Come dressed in costume for this Halloween horror film festival featuring horror shorts from around the world, meet and greets with horror actors, vendors selling horror film related collectibles and free movie posters. 7 p.m., Tampa Pitcher Show, 14416 N Dale Mabry Highway, Tampa. $10. (813) 963-0578.
Eddie Turner Band: Colorado rock and blues guitarist. 7 p.m., Jungle Bills Tiki Grill, 2950 Gulf to Bay Blvd, Clearwater. $15 in advance; $20 at the door. (727) 400-6920.
Haunted Angelus House: Situated on 25 acres of land, the PG-13 rated haunt features an all ages haunted house and haunted hay ride. 7:30 p.m., The Angelus, 12413 Hudson Ave., Hudson. $15, $8 ages 5-10, 4 and younger free. (727) 364-2868.
Scream-A-Geddon: Make your way through six haunted attractions including the Cursed Hayride, Dead Woods and Blackpool Prison, where prisoners start a riot and you decide the level of character interaction. Runs select nights through Nov. 5. Open until 1 a.m. 7:30 p.m., Scream-A-Geddon, 27839 Saint Joe Road, Dade City. $19.95-$29.95. (813) 452-5412.
Sir Henry's Haunted Trail: Two dark, intense walking trails in a wooded forest. Sir Henry's Trail brings you up close and personal to creatures from your nightmares and live attacking monsters. Nightmare at the Mansion is a more intense, lights out trail that is not for the weak at heart. 7:30 p.m., Sir Henry's Haunted Trail, 2837 S Frontage Road, Plant City. $10 one, $20 two. (863) 944-0748.
Florida Orchestra Masterworks Series: Beethoven's Symphony No. 9: The series kicks off with Ode to Joy featuring the Master Chorale of Tampa Bay. Also on the program is Francis Poulenc's Gloria. 8 p.m., Carol Morsani Hall at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $15-$45. (727) 892-3337.
Star Chix: Trekkie Estrogen in Space: A musical tribute to sci-fi adventure with an all-female starship crew. 8 p.m., St. Petersburg City Theatre, 4025 31st St. S, St. Petersburg. $22, $15 students. (727) 866-1973.
The Jah Movement Reggae Band: The band performs reggae music while adding their own touch of R & B, soul and funk. 8 p.m., Skipper's Smokehouse, 910 Skipper Road, Tampa. $7-$10. (813) 971-0666.
Tampa International Gay and Lesbian Film Festival: Paris 05:59: Theo and Hugo: A series of films with lesbian, gay, bisexual and transgender interest or subject matters. Runs through Oct. 8 at several venues. Ticket packages range from $50-$5,000. See tiglff.com for lineup. 10 p.m., Tampa Theatre, 711 Franklin St., Tampa. $15; free for 25 and younger for age-appropriate films. (813) 274-8982.
KIDS AND FAMILY
$6 Admission Days: In celebration of the museum's sixth anniversary, everyone gets $6 admission through Sept. 30. 10 a.m., Glazer Children's Museum, 110 W Gasparilla Plaza, Tampa. $6. (813) 443-3861.
Hawaii Five-0, 9 p.m., CBS. The team works with a rogue MI-6 agent (guest star Chris Vance) to find a terrorist who is planning to cause nuclear reactors all across Europe to melt down.
MORE TO EXPLORE
Plan your weekend at tampabay.com/things-to-do.