Florida State Fair: Celebrate opening day of the 110th annual fair with a live concert by America, a midway and the largest traveling roller coaster in North America. It starts at 10 a.m. at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $11-$13, $7 seniors, $6-$7 ages 6-11, 5 and younger free. Today only, all military, first responders, law enforcement and firemen get free admission with I.D. (813) 621-7821.
Meet a MythBuster: Meet Discovery Channel's MythBusters host Kari Byron and get a preview of MOSI's new interactive exhibit MythBusters: The Explosive Exhibition. Doors open at 4 p.m. at the Museum of Science and Industry, 4801 E Fowler Ave., Tampa. $45, $39 ages 2-12. (813) 987-6000.
Big Head Todd and the Monsters: This Colorado rock band formed in the late '80s and produced the platinum album Sister Sweetly. Fellow rocker and folk singer Martin Sexton will also perform at 7 p.m. at State Theatre, 687 Central Ave., St. Petersburg. $20-$25. (727) 895-3045.
You're a Good Man, Charlie Brown: Join your favorite Peanuts characters including Charlie Brown, Lucy, Schroeder, Linus, Sally and Snoopy for this lighthearted musical. See it at 8 p.m. in the Shimberg Playhouse at the Straz Center, 1010 N MacInnes Place, Tampa. $22. (813) 229-7827.
Tonight Show with Jay Leno, 11:30 p.m., NBC
Say goodbye to Jay, because this is his last night hosting the Tonight Show. But now who will take up the habit of wearing denim on denim?! New Tonight Show host Jimmy Fallon takes over Feb. 17.
XXII Winter Olympics, 8 p.m., NBC After the looming threats of terrorism, protests and two toilets per stall, the competition in Sochi begins a day before the actual opening ceremonies.
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