MegaCon: Celebrity guests include Star Trek: The Next Generation star LeVar Burton and Henry Winkler of Happy Days fame as well as Doctor Who's David Tennant, Billie Piper. Also, Brent Spiner (Data in Star Trek: The Next Generation), Wallace Shawn (Vizzini in The Princess Bride), Verne Troyer (Mini Me in the Austin Powers films) and Mitch Pileggi (Walter Skinner on The X-Files). 4 p.m., Tampa Convention Center, 333 S Franklin St., Tampa. $25-$45. (813) 274-8511.
Stranger Things Release Party and Concert: The store will have lots of indie-only colored vinyl copies on hand of the new Stranger Things soundtrack. There will also be free Eggo waffles served up at the coffee bar, Dungeons and Dragons and a Halloween costume contest. At 8 p.m., DJ Suspiria will have retro synthwave; 9:30 is Miami/Boston art-rock band Pariuh. 8 p.m., Mojo Books and Music, 2558 E Fowler Ave., Tampa. Free. (813) 971-9717.
John's Pass Seafood Festival: More than 100 seafood options features a Halloween block party and costume contest, a fishing tournament, a world record attempt for largest Bloody Mary toast and more. Benefits Pinellas County schools, area small businesses and the Fisherman Lost at Sea memorial. 10 a.m., John's Pass Village and Boardwalk, 150 John's Pass Boardwalk, Madeira Beach. Free (food/drink additional). (727) 322-5217.
Downtown Trick or Treating: The roads will be closed and merchants will display orange pumpkin decals for children to safely trick or treat from shop to shop along Main Street and Broadway Avenue. Also a Halloween exhibit, costume parade and costume contest at the Historical Museum at 6:45 p.m. 5 p.m., Downtown Dunedin, along Main Street, Dunedin. Free. (727) 298-3201.
Hillsborough County Fair: Get ready for the fun when the Hillsborough County Fair brings all its harvest of midway rides, carnival-style foods, truck and tractor pulls and more. 5 p.m., Hillsborough County Fairgrounds, Corner of Sydney Washer Road and Hwy 60, Brandon. $7, $5 students, $4 seniors, five and younger free. (813) 737-3247.
Halloween in the Park: The state park takes on a spooky look for this Halloween party with a scary trail through the woods. There's also a "not-so-scary" child friendly area. Benefits the Friends of the Island Parks. 6 p.m., Honeymoon Island State Park, 1 Causeway Blvd. (at the West end of Dunedin Causeway), Dunedin. $10 per carload (includes 10 game tickets). (727) 469-5943.
Haunted Tram Rides: Pepper Creek Trail is transformed for a spooky tram ride with "Grim Reapers Haven" haunted house, costume contests, a slide, face painting and refreshments. 6 p.m., Homosassa Springs State Wildlife Park, 4150 S Suncoast Blvd., Homosassa. $5, $3 ages 12 and younger; $2 haunted house only. (352) 628-5343, ext. 1004.
Halloween Spooktacular and Fall Festival: Make sure to come dressed in a Halloween costume for this party with a costume contest, carnival games, moon walks, spider mountain, a fortune teller, face painting, balloon art, entertainment, haunted hay ride and a spooky cemetery. 6 p.m., Treasure Bay Golf and Tennis, 10315 Paradise Blvd., Treasure Island. Free, $2-$4 for some activities. (727) 547-4575, ext. 237.
VNV Nation: The Irish/English duo who combine influences from electronic, indie, rock, dance and classical music to create their sound, celebrate the 20th anniversary of their first album. 7 p.m., Jannus Live, 200 First Ave. N, St. Petersburg. $30-$35. (727) 565-0550.
TASCO Field of Screams: The Asylum: Challenges you to escape the Asylum, navigate through the dark woods, survive the inmates and flee to safety. Participants are exposed to darkness, loud noises, bright lights, wooded trails and intense scare zones. Not suitable for children. 7 p.m., Boyd Hill Environmental Studies Area, 2900 31st St. S, St. Petersburg. $15. (727) 892-5060.
Carlos Mencia: Mind of Mencia ran for four seasons on Comedy Central. The VIP package includes a meet and greet with Mencia. 8 and 10:30 p.m., Improv Comedy Theater, 1600 E Eighth Ave., Tampa. $40, $50 VIP. (813) 864-4000.
Florida Orchestra Pops: Ray Charles, Motown and Beyond: Ellis Hall pays tribute to Ray Charles. 8 p.m., Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $15-$45. Toll-free 1-800-662-7286.
13 Ugly Men: 13 Ugly Sins: This year's sinful soiree, complete with costumes, twisted entertainment and a DJ, benefits the American Foundation for Suicide Prevention. The party goes on until 3 a.m.. 8 p.m., District 3, 802 E Whiting St., Tampa. $30 women, $40 men. (813) 221-2582.
Don McLean: Since first hitting the charts in 1971, McLean has created classic hits like like American Pie, Vincent (Starry Starry Night) and Castles in the Air. 8 p.m., Capitol Theatre, 405 Cleveland St., Clearwater. $42-$82. (727) 791-7400.
Tartuffe: Opening Night: An adaptation of Moliere's classic tale follows a wealthy businessman who entrusts his fortune to a con man posing as a political leader. Through Nov. 20. $59. 8 p.m., American Stage Theatre Company at Raymond James Theater, 163 Third St. N, St. Petersburg. $39-$49. (727) 823-7529.
Selwyn Birchwood: Florida's rising young blues star Selwyn Birchwood will give a free performance 8:30 p.m., The Ale and The Witch, 111 Second Ave. NE, St. Petersburg. Free. (727) 821-2533.
Helloween 13: Walk through a haunted entrance to one of the biggest costume parties in Tampa with a $3000 costume contest and four areas of DJ dancing. The party goes on until 3 a.m. 9 p.m., Jackson's Bistro Bar & Sushi, 601 S Harbour Island Blvd., Tampa. $15-$45. (813) 265-1234.
Rock Hard Revue: Featured on America's Got Talent season 9, the ripped beefcakes of Rock Hard Revue present a 90-minute fully costumed and choreographed production including dancing, live vocals and audience participation. 9 p.m., Club Skye, 1509 E Eighth Ave., Tampa. $25. (407) 347-5035.
KIDS AND FAMILY
Downtown Funk: A Halloween block party with music, a costume bar crawl, pumpkin carving for the kids, a Downtown Dollar Drop, live horror makeup demo by YouTube star Beauty by Brig, an outdoor escape adventure game, beer and food vendors, costume contest and prizes. 7 p.m., Cleveland Street District, 433 Cleveland St., Clearwater. Free, $10 writstbands for bar crawl.
MORE TO EXPLORE
Find more Halloween events at tampabay.com/things-to-do.