The MythBusters team -- Kari Byron, Grant Imahara and Tory Belleci -- test a lifesize Megalodon model, dubbed "Sharkzilla" and created by Jim Shartis, to see how strong the massive shark's jaws would have been.

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For the past 25 years, August has brought Discovery Channel’s Shark Week, a frank, explorative, and compelling series of hour-long investigations of the world’s most iconic fish. Now that Chompie, a giant shark both inflatable and promotional, once again adorns the media company’s headquarters in Silver Spring, it’s easy to deduce that Shark Week is upon us once again. Tonight, Fountain Plaza hosts a free outdoor screening of Sharkzilla, in which the Mythbusters team builds a replica of the prehistoric Megalodon shark. Read more >>> (Ramon Ramirez)

The showing begins at 8:30 p.m. at Fountain Plaza on Ellsworth Drive, Silver Spring. Free. downtownsilverspring.com.

EAT THIS

Don’t trek around the city to track down the best food trucks. Venture to the monthly Truckeroo Food Truck Festival and grab some grub from more than 20 mobile vendors, including the Surfside, Hula Girl Truck, and  Red Hook Lobster Pound. The festival goes from 11 a.m. to 11 p.m.—rain or shine. The Fairgrounds, Half and M streets SE;truckeroodc.com(Stephanie Haven)

OH AND ALSO

Thirteen local graffiti artists are showing their stuff at Street Market, starting tonight at The Fridge. Artists will live-paint outside the gallery for tonight’s opening celebration. 7 p.m. at in the rear alley at 516 1/2 8th St. SE. Free.

Comedian Wyatt Cenac, whom you may know from The Daily Show, brings his stand-up routine to the Drafthouse. Saturday at 7:30 p.m. and 9:55 p.m. at 2903 Columbia Pike, Arlington. $25.

Calvin Johnson, who in the ’80s founded Beat Happening and iconic indie-pop label K Records, isn’t getting any less eccentric as he nears 50. Read more >>> Friday at 7 p.m. at Meeps, 2104 18th St. NW. $7.

To American pop listeners only familiar with the 2004 reggaeton crossover hit “Gasolina,” Daddy Yankee might seem like a one-hit wonder. But they should know better. Read more >>> Saturday at 8 p.m. at Ibiza, 1222 1st St. NE. $50 in advance.

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