Cheap$kate: This week's best FREE events in NYC

Photo credit: Getty

'The Captains' with William Shatner
Beam us up, Scotty! We're so there! And if you're any kind of "Star Trek" fan, or just a fan of the great William Shatner, you'll be sure to be at the Intrepid this Saturday, too, as Shatner introduces his documentary, "The Captains," where he interviews all the "Trek" captains. And if you show up in all your Trekky glory (read: costume), you'll have the chance to win a poster, T-shirt or the chance to meet Shatner! (Saturday, 7:30 p.m. doors, FREE, Intrepid Air & Space Museum, One Intrepid Square, 12th Ave. and 46th St., epixhd.com/the-captains-ny-screening)

They Might Be Giants with Eugene Mirman
After 25 years, They Might Be Giants return to the scene of their first music video this Friday. The band will perform a FREE concert at the Williamsburg Waterfront, featuring songs from the full extent of their musical career, with special guest Eugene Mirman and other surprise guests. (Friday, 5:30-9 p.m., FREE, 93 Kent Ave., Williamsburg, theymightbegiants.com)

Lincoln Square FREE Summer Concert Series
Take a nice, long lunch break and meander over to Lincoln Square for a lunchtime serenade every Wednesday until Aug. 31, noon to 2 p.m. This week's featured performance is dubbed "Mountainous Spirit," featuring the musical stylings of Agua Clara and Raices Group. (Wednesday, noon-2 p.m., FREE, Richard Tucker Park, Broadway at 66th St., lincolnsquarebid.org)

Linda McCartney: Life in Photographs
Photographs are a way to capture and remember some of the best moments in our lives. And when you're Linda McCartney, they're a way to capture some important moments of musical history. Check out her work in this exhibit at Bonni Benrubi, which closes Friday. (Closes Friday, Mon.-Fri., 10 a.m.-5:30 p.m., FREE, Bonni Benrubi Gallery, 41 E. 57th St., 13th floor, 212-888-6007, bonnibenrubi.com)

'Night Catches Us' with concert by Abby Dobson
Forget the same old dinner and a movie combo. This Thursday, make it a concert and a movie at St. Nicholas Park for the 2011 ImageNation Outdoor Film & Music Festival screening of "Night Catches Us," with a concert by Abby Dobson. (Thursday, 7:30 p.m. music, 8:30 p.m. film, St. Nicholas Park, 135th St. and St. Nicholas Park, 212-340-1874, imagenation.us)

Lowdown Hudson Blues Festival
Experience the blues at this weekend's FREE outdoor fest. The Lowdown Hudson Blues Festival will give you the blues experience with art, food and, of course, music. (Thurs.-Fri., 6-9 p.m., Sat., 1-6:30 p.m., FREE, World Financial Center Plaza, 220 Vesey St., 212-945-0505, artsworldfinancialcenter.com)

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