Mainsail Arts Festival: This annual festival is one of the area's best outdoor shows with more than 250 artists on display. Today features music by Shaun Hopper (1-2 p.m.), Come Back Alice (2:15-3:30 p.m.) and TC Carr and the Bolts of Blue with Josh Nelms (3:45-5 p.m.). It starts at 10 a.m., Vinoy Park, 501 Fifth Ave. NE, St. Petersburg. Free.
Family Favorites Film Series: Kids get to see some of their parents' most beloved childhood films on the big screen. This week it's The Karate Kid with Ralph Macchio, learning life lessons from Mr. Miyagi (Pat Morita). Rated PG. 3 p.m., Tampa Theatre, 711 Franklin St., Tampa. $10, $8 12 and younger. (813) 274-8982.
Gumbo and Grooves: Sauce Boss will be stirring up his famous gumbo recipe on stage during his live performance, adding a little something extra, Sweetwater 420 beer, a sponsor of this 420 Feast event (the date is 4/20, get it?). There will also be performances by the Damon Fowler Group and the Wholetones, and several Sweetwater craft selections priced at $4.20. 5 p.m., Skipper's Smokehouse, 910 Skipper Road, Tampa. $8.
A Brief History of Beer: Jobsite Theater holds this show in a bar to make it part history, part drinking game. 8 p.m., New World Brewery, 1313 E Eighth Ave., Tampa. $7. (813) 248-4969; newworldbrewery.net.
Kids and family
Tampa Bay Rays: The team takes on the New York Yankees and today is Family Fun Day, featuring free parking for cars with four or more passengers. Stick around after the game for the DJ Kitty Dance Party, when kids can run the bases. The concourse offers complimentary activities for kids ages 14. The game starts at 1:40 p.m., Tropicana Field, 1 Tropicana Drive, St. Petersburg.
Cosmos: A Spacetime Odyssey, Fox, 9 p.m. Hailing heroes of science again, geochemist Clair Patterson (voiced by Richard Gere) developed the uranium-lead dating method to calculate Earth's age of 4.5 billion years. He also made it his mission to draw public attention to the detrimental effects of lead in the environment.