Not sure what to do with the rugrats -- or significant other -- on a rainy day or one that's too hot to bear? Here are some movie options for the summer months that cost far less than what's offered at your local multiplex.

The Enoch Pratt Free Library will show Free Family Flicks at the Central Library on Saturdays starting Memorial Day weekend. Here's the lineup for May and June:

And here's a list of other free films at the Enoch Pratt Free Library.

The Southeast Anchor Library will also offer free movies on Monday afternoons in July and August.

Last summer we told you about all the free outdoor movies shown in Baltimore -- great ways to stay cool while enjoying some free entertainment. Bring a picnic dinner and it's a frugal deal.

Here's a list of schedules I found for 2009:

Village of Cross Keys MovieFest: films with ties to Baltimore start at about 8:30 p.m. on Saturday nights in June (June 6 through June 27) with dinner specials, music, prizes and other activities kicking off at 6:30 p.m.

Hopkins Summer Outdoor Films, Friday nights starting June 12. The movies start at sunset after live music at 7:30 p.m.

Films on the Pier, Wednesdays at 8:45 p.m. starting July 1 on the Broadway Pier in Fells Point. In case of inclement weather, shown Thursdays. (thanks for the tip, Heather! -- lfk.) 

American Visionary Arts Museum's Free Flicks on the Hill, 9 p.m. Thursdays from July 2 through Aug. 13

Little Italy's Cinema al Fresco, 9 p.m. Fridays from July 3 to Aug. 28

Belvedere Square Free Outdoor Movies, 8:30 p.m. on the third Saturday of the month starting June 16.

Outside of Baltimore, check out the Regal Free Family Film Festival for gratis movies in Westminster, Bel Air, Glen Burnie and Hunt Valley, as well as Frederick, Salisbury, Hagerstown and Germantown. Schedules vary at each theater.

Cheap movies for kids are offered through the AMC Summer MovieCamp in Columbia and Randallstown. There's discount concessions, too, and proceeds go to charity. Here's that schedule: