Swaptember at Lowry Park Zoo, MOSI and the Florida Aquarium: For the month of September, Zoo Pass holders receive free admission to the Florida Aquarium and MOSI. In turn, members of the Florida Aquarium and MOSI receive free admission to the zoo. See how that works?
Target Tuesday: The hands-on museum, with the help of Target, offers free admission to everyone from 2 to 7 p.m. at the Glazer Children's Museum in Tampa. (813) 443-3861.
Book Club Readings: Friends of the Jack Kerouac House and Keep St. Pete Lit will hold interactive readings of Kerouac's On the Road. In the spirit of the Beat ethos, nonmembers of the On the Road Book Club won't be turned away if they show up, they'll just be honorary Dharma Bums. It starts at 7:30 p.m. at Flamingo Sports Bar, 1230 Dr. Martin Luther King Jr. St. N, St. Petersburg. Free, but $10 club membership is required. (727) 385-1336.
Gulfport Tuesday Fresh Market: Stalls with produce, baked goods, herbs, teas, plants and crafts will line Beach Boulevard starting at 9 a.m. in Gulfport. (727) 278-4285.
SEASON PREMIERE — Luther, 10 p.m., BBC America: Fresh off a summer in which he played a Texan spaceship captain in Prometheus and a giant robot puppetmaster named Stacker Pentecost in Pacific Rim, Idris Elba is back to solving the most horrific murders you can imagine. It's way more disturbing than watching Ridley Scott try to make another Alien film.
SERIES PREMIERE — Cold Justice, 10 p.m., TNT: A former prosecutor and a crime scene investigator travel the country in an attempt to solve old murder cases. The twist is, this is a reality show.