Harry Potter and the Prisoner of Azkaban: The Florida Orchestra performs John Williams’ music from the entire third film live while it plays in HD on a 40-foot screen. 2 and 7:30 p.m., Carol Morsani Hall at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $48.75-$88.75. (813) 229-7827; strazcenter.org.Oktoberfest Tampa: Tampa’s waterfront park transforms into a giant beer garden with traditional dancing, live music, Bavarian games, stein hoisting, keg stacking, tug of war, brat toss and carry the wench. 11 a.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa. $10, $25 weekend. (813) 397-8722; oktoberfesttampa.com.Fergtoberfest: St. Petersburg’s new Oktoberfest party features live music by 15 bands, German food, contests, a Lederhosen dance off, games, axe throwing, raffles and giveaways. Benefits the Arts Conservatory for Teens. 10 a.m., Ferg’s Sports Bar & Grill, 1320 Central Ave., St. Petersburg. $10, $35 bottomless beer. (727) 822-4562; fergssportsbar.com.Pinellas Pie Festival: There will be pies galore, with seasonal beers inspired by pie flavors from local breweries, live entertainment on stage from the Grateful Dead Tribute Band, Uncle John’s Band, and others, plus a pie eating contest, amateur pie bake-off contest, kids zone, games and activities, dog cooling station. 11 a.m., Largo Central Park, 101 Central Park Drive, Largo. Free (food/drink additional).Between Riverside and Crazy: Pulitzer Prize-winning play. 2 and 8 p.m., American Stage Theatre Company at Raymond James Theater, 163 Third St. N, St. Petersburg. $44-$54; a subscription-style $15 a month for people younger than 30 and free for people younger than 20. (727) 823-7529; americanstage.org.St. Petersburg Second Saturday ArtWalk: Meet artists and gallery owners, be among first to see the latest exhibits, and explore the vibrant art community, as over 40 studios and galleries come together for one arts celebration. Free trolley available. Map available atstpeteartsalliance.org. 5 p.m., Downtown St. Petersburg, Various locations, St. Petersburg. Free. (727) 518-5142; stpeteartsalliance.org.Luis J. Gomez: He’s appeared on Last Comic Standing, Comedy Central’s Roast Battle and TruTV’s Comedy Knockout. 6 p.m., Side Splitters Comedy Club, 12938 N Dale Mabry Highway, Tampa. $14-$16.50. (813) 960-1197; sidesplitterscomedy.com.Haunted River Tours: A docent delivers spooky tales of ghosts as you glide along the Hillsborough River. Includes treats and a stop under the "bat bridge." Tours depart hourly. Through Oct. 28. 7-10 p.m., Pirate Water Taxi, 333 S Franklin St., Tampa. $25, $15 children. (813) 559-1804.Scarehouse Pinellas: A 10,000-square-foot horror flick themed haunted house. Ages 12 and older only. Minors must be accompanied by an adult. Benefits SPCA Tampa Bay. 7 p.m., Scarehouse, 12461 Creekside Drive, Largo. $15. (727) 742-1432; scarehousepinellas.com.Kevin Gates: Rapper performs on his first tour since leaving prison called Lucas Brasi 3 tour with opening performance from Yung Bleu. 7:30 p.m., Jannus Live, 200 First Ave. N, St. Petersburg. (727) 565-0550; jannuslive.com.Luenell: One of "Snoop Dog’s Bad Girls of Comedy." 7:30 and 10 p.m., Improv Comedy Theater, 1600 E Eighth Ave., Tampa. $20. (813) 864-4000; improvtampa.com.Howl-O-Scream at Busch Gardens: Get spooked by six haunted houses and scare zones and the chance to ride coasters in the dark, sometimes with a zombie sitting next to you. Includes early access to the park at 5 p.m. and remains open until 1 a.m. 7:30 p.m., Busch Gardens, 10165 N McKinley Drive, Tampa. $39.99 and up. (813) 884-4386; howloscream.com/tampa.I-4’s Premier Fear Park: Three dark, intense walking trails in a wooded forest. 7:30 p.m., Sir Henry’s Haunted Trail, 2837 S Frontage Road, Plant City. $30, $45 VIP. (863) 944-0748; sirhenryshauntedtrail.com.Scream-A-Geddon: The interaction meter goes off the charts at this Halloween haunt this year with the addition of Rage 3D, Demon’s Revenge and Zombie Paintball Assault in which you literally hunt, shoot and kill zombies. 7:30 p.m., Scream-A-Geddon, 27839 Saint Joe Road, Dade City. $19.95-$39.95, $9.95-$19.95 paintball. (813) 452-5412; screamageddon.com.Robert Kelly: The Comedy Central fixture had recurring roles on Denis Leary’s FX show, Sex&Drugs&Rock&Roll and Louis C.K.’s Louie. 8 and 10:30 p.m., Side Splitters Comedy Club, 12938 N Dale Mabry Highway, Tampa. $10-$16.50. (813) 960-1197; sidesplitterscomedy.com.The Fantasticks!: The world’s longest running musical features the classic song, Try to Remember. Through Oct. 21. 2 and 8 p.m., Freefall Theatre, 6099 Central Ave., St. Petersburg. $23-$50. (727) 498-5205; freefalltheatre.com.Jauz: DJ and EDM producer will perform alongside Holy Goof and Skepsis. 10 p.m., Ritz Ybor, 1503 E Seventh Ave., Tampa. $20. (813) 247-2555; ritzybor.com.KIDS AND FAMILYSesame Street Live: Make Your Magic: A magician visits Sesame Street and Elmo wants to become part of the show, but he doesn’t know how to do magic. 10:30 a.m. and 2:30 p.m., Yuengling Center (formerly USF Sun Dome), 4202 E Fowler Ave, Tampa. $15-$65.Young Eagles Flight Rally: Kids ages 8 to 17 can actually take flight and explore the world of aviation in a free 15-minute flight. Weather will be monitored; check eaa282.org for possible cancelation. 8 a.m., Clearwater Airpark, 1000 N Hercules Ave., Clearwater. Free. (813) 765-2204; youngeagles.org.Sunset Cinema at Pier 60: Bring blankets or low lawn chairs to watch The Addams Family (1991) on a jumbo sized screen. No alcohol. Shows start around dusk. 7:30 p.m., Pier 60, 10 Pier 60 Drive, Clearwater Beach. Free. (727) 449-1036; sunsetsatpier60.com.Sesame Street Safari of Fun Halloween: Kids can join the fun of this Sesame Street themed party. Included with admission. 11 a.m., Busch Gardens, 10165 N McKinley Drive, Tampa. $104, 2 and younger free. Save $15 if you order online. (813) 884-4386; buschgardens.com.Emerald City Comics Fest: Meet comic writers and artists like DC Comics’ Chuck Dixon (co-creator of Batman nemesis Bane) and local creators, plus cosplayers, a gaming room and food and merchandise vendors. 11 a.m., Forbes Recreation Center, 6401 94th Ave. N, Pinellas Park. Free. (727) 541-0882.Creatures of the Night: The Halloween event with activities for all ages. Included with admission. Also, $24.95 after 4 p.m., 2 and younger free. Runs through Oct. 27. 4 p.m., ZooTampa at Lowry Park, 1101 W Sligh Ave., Tampa. Zoo admission: $34.95, $25.95 ages 3-11, 2 and younger free. (813) 935-8552.HarvestMoon Fun Farm and Corn Maze: Explore the five-acre corn maze and play Farm Scene Investigation or travel the storyline path of Spookley the Square Pumpkin, along with a 70-foot jumping pillow, pumpkin patch, cow train ride and more. Runs through Nov. 4. 10 a.m., HarvestMoon Fun Farm, 15990 Stur St., Masaryktown. $11.95, 2 and younger free. (727) 326-3256.Sweetfields Corn Maze: The fun includes a new corn maze design, hayrides, hay play area, animals, farm fun, human foosball, pumpkins and more. Runs through Nov. 4. 10 a.m., Sweetfields Farm, 17250 Benes Roush Road, Masaryktown. $9.50, $5 ages 3-11, 2 and younger free (no pets allowed). (352) 279-0977; sweetfieldsfarm.com.Fox Squirrel Corn Maze: The five-acre corn field sets the scene for a fall festival including a pumpkin patch, hayride, arts and crafts vendors, country music, games and food. 10 a.m.- 5 p.m. Fox Squirrel Corn Maze, 3002 Charlie Taylor Road N, Plant City. $11, $10 children, 2 and younger free. (813) 756-8918; FutchEntertainment.com.TO WATCHCucuy: The Boogeyman, 7 p.m., Syfy: With Halloween arriving in a few weeks, this new TV film stars a teen girl (Marisol Nichols) who discovers the terrifying urban legends of the Mexican boogeyman, El Cucuy, are actually true.MORE TO EXPLORETons of visual art events happen today. Find them tampabay.com/things-to-do.