American Idiot: Based on Green Day's Grammy-winning platinum album, this Broadway rock opera is about three lifelong friends forced to choose between their dreams and the safety of suburbia. It starts at 8 p.m. at Carol Morsani Hall at the Straz Center, 1010 N MacInnes Place, Tampa. Tickets start at $44.50. (813) 229-7827.
Disney On Ice: Rockin' Ever After: Get ready to rock out when a cast of world-class skaters brings moments from Disney's Brave, Tangled, The Little Mermaid and Beauty and the Beast to life in a musical showcase starting at 7 p.m. at the Tampa Bay Times Forum, 401 Channelside Drive, Tampa. $16-$75. (813) 301-2500.
Florida Orchestra Masterworks Concert: Beethoven's Symphony No. 7: Conductor Tito Muñoz is joined by principal flutist Clay Ellerbroek for Lowell Liebermann's Concerto for Flute and Orchestra in this concert with Mendelssohn's The Hebrides (Fingal's Cave) and Beethoven's Symphony No. 7. It starts at 8 p.m. in Ferguson Hall at the Straz Center in Tampa. $15-$45. (813) 229-7827.
Big Hair Ball: Lovers of the '80s won't want to miss this night, which offers Journey and Bon Jovi tribute bands, a costume contest and more. Everyone in costume gets free "Hair Raiser" cocktails from 7 to 8 p.m. Doors open at 7 p.m. at the Ritz Ybor, 1503 E Seventh Ave., Tampa. $10. (813) 247-2555.
Relay for Life: The American Cancer Society hosts this event to raise money for the fight against cancer. Cancer survivors will open the event by walking the first lap. It starts at 6 p.m. at Vinoy Park, 501 Fifth Ave. NE, St. Petersburg. Free. (727) 546-9822.
SEASON FINALE Nikita, 8 p.m., CW Nikita must choose between saving Michael or herself. From a ratings standpoint, this is a no-brainer.
Merlin, 10 p.m., SyFy Mordred pleads with Arthur to spare the life of a would-be assassin Arthur has sentenced to death. Those two probably are going to agree to disagree.
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Find great date night ideas at tampabay.com/things-to-do.