Jonas Brothers: The pop rockers return to Tampa after a three-year hiatus with a new album coming out this year, their first in four years. the pop duo Karmin will open. Concert starts at 7 p.m. at the MidFlorida Credit Union Amphitheatre at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $29.50-$79.50. (813) 740-2446.
Shark Week at the Aquarium: The Aquarium splashes into Shark Week with themed activities including a scavenger hunt, shark dive shows and "Touch a Shark" at Stingray Beach. Included with regular admission. Doors open at 9:30 a.m. at the Florida Aquarium, 701 Channelside Drive, Tampa. $21.95, $18.95 for seniors 60+, $16.95 for kids 3-12. (813) 273-4000.
Fanboy Expo: New to Tampa Bay, the expo brings a list of special guests including Chandler Riggs from The Walking Dead, Billy Dee Williams from Star Wars Episode V: Empire Strikes Back and more. It starts at 10 a.m. at the Grand Hyatt Tampa, 2900 Bayport Drive, Tampa. $20, $35 weekend; 10 and younger free. (865) 280-2023.
WaZoo: The annual beer fest features more than 275 beers from around the world and food from local restaurants. It starts at 7:30 p.m. at Lowry Park Zoo, 1101 W Sligh Ave., Tampa. $70, $25 designated driver. (813) 935-8552.
SERIES FINALE Zero Hour, 8 and 9 p.m., ABC Ever since Dr. Greene died on E.R., Anthony Edwards just hasn't really been able to make a series stick. Nice to see he's consistent
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