1. Spring Break Movie Series: Sparkman Wharf is getting spring break started with a series of free movies on the plaza. Tuesday brings Shrek, March 18 is The Little Mermaid and March 19 brings The Parent Trap. 6 p.m. Parking is $5 in the Channelside Port Garage, 615 Channelside Drive, Tampa.
2. Mutt Madness: Dress up your dogs and take them out for a day all about them with pet-themed vendors, a pet-owner look-alike contest, pet parade, adoptable pets on site, a kids zone, Dancing With the Paws and a Fido Idol contest. Free, $5 parking. 11:30 a.m.-5 p.m. Saturday. Highlander Park, 1920 Pinehurst Road, Dunedin. (727) 786-1330.
3. Bands on the Bay: Featuring the Black Honkeys, the Pinellas party-funk band that is one of the area’s most popular acts. There will also be craft beer, food trucks and a VIP Tent, all to benefit children’s programs. $5. 3-10 p.m. Saturday. Safety Harbor Waterfront Park, 110 Veterans Memorial Lane.
4. Ethics Lecture: The Applied Ethics Institute of St. Petersburg College brings a free lecture to the Palladium Theater on Monday, delivered by distinguished philosopher Todd May, a professor of humanities at Clemson University. He is the author of many books, including A Decent Life: Morality for the Rest of Us (2019), A Fragile Life and A Significant Life. He was also a philosophical consultant for the hit NBC comedy The Good Place. He will talk about our current era of extraordinary political polarization and how it affects everyone. Free. 7 p.m. Monday. 253 Fifth Ave. N, St. Petersburg.
5. Pi Day Party: Saturday is known as Pi Day, celebrated on March 14 (3/14) as an annual opportunity for math enthusiasts to recite the infinite digits of pi, talk to their friends about math and eat pie. The Lutz Branch Library invites children and teens to sample pie as they also celebrate Einstein’s birthday and math in general with stories, crafts and activities. Free. 2:30 p.m. Saturday. 101 Lutz-Lake Fern Road, Lutz. (813) 273-3652.