In 1964's "Matrimonio All'Italiana," ("Marriage Italian Style,") Domenico halts his plans to marry after his mistress Filumena falls ill, only to find that it was a ploy to stop the wedding. Stars Sophia Loren. 4:15 p.m. Miami Dade College Tower Theater, 1508 SW Eighth St., Miami. $7-$8. Details: (305) 643-8706 or www.mdc.edu.
PLASTIC OR PLANET?
Susan Beraza's documentary "Bag It" builds from insights on plastic bag uses to a wholesale investigation into plastics and their effects on waterways, oceans and the human body. 8 p.m. Miami Beach Cinematheque, 1130 Washington Ave., Miami Beach. $8 members. $9 seniors and students. $10 others. Details: (305) 673-4567 or www.mbcinema.com.
Based on writer and director Mike Mills' experiences, "Beginners" takes a bittersweet look at love in the modern world. Only months after his father's death, Oliver (Ewan McGregor) finds himself falling for new love Anna (Mélanie Laurent), drawing up past memories in the form of flashbacks. 6:45 and 9 p.m. Coral Gables Art Cinema, 260 Aragon Ave., Coral Gables. $5-$10. Details: (786) 385-9689 or www.gablescinema.com.
Meet City of Miami elected officials and take in a free screening — popcorn included — of Canadian filmmaker and environmental activist Jon Cooksey's documentary "How to Boil a Frog." Mr. Cooksey stars in the "eco-documentary," which is both funny and informative as it examines global warming on a person-by-person level. 6:30 p.m. Miami City Hall, 3500 Pan American Drive, Coconut Grove. Details: (305) 250-5331 or firstname.lastname@example.org.
Anita Feldman lives a comfortable life under the care of her doting mother in 2009 film "Anita." Yet when the nearby Argentine Israelite Mutual Association building is bombed, the young woman afflicted with Down syndrome finds herself wandering the streets alone. She learns to fend for herself, touching the lives of a varied mix of characters. In Spanish with English subtitles. 7 p.m. Additional showings 3:30 and 8:15 p.m. July 30 and 4 and 8:45 p.m. July 31. Bill Cosford Cinema at the University of Miami, 1111 Memorial Drive, Coral Gables. UM students free. Seniors, UM alumni, faculty, non-UM students and staff $7. Others $9. Details: (305) 284-4861 or www.cosfordcinema.com.
Two men from very different worlds find their paths intertwined in dark comedy/thriller "The Perfect Host." As Warwick Wilson is preparing to welcome guests to his perfectly arranged dinner party, master criminal John Taylor shows up, impersonating a traveling friend of a friend who has been robbed of his belongings. As it turns out, looks can be deceiving. 7:45 and 10 p.m. Additional showings 7:45 and 10 p.m. July 30 and 5:30 and 7:45 p.m. July 31. O Cinema, 90 NW 29th St., Miami. $7.50-$10.50. Details: (305) 571-9970 or www.o-cinema.org.
"WORLD ON A WIRE"
Rainer Werner Fassbinder's 1970s German science-fiction epic "World on a Wire" tells of cybernetics engineer Fred Stiller uncovering a governmental and corporate conspiracy. Transferred from its 16 mm format to a fully restored digital production. 8 p.m. Miami Beach Cinematheque, 1130 Washington Ave., Miami Beach. $8 members. $9 seniors and students. $10 others. Details: (305) 673-4567 or www.mbcinema.com.
A performance of Verdi's classic opera "Aida" by the Teatro del Maggio Musicale Fiorentino in Florence, Italy, is screened over 180 minutes with two intermissions. Stars Marco Berti, Luciana D'Intino and Hui He. In Italian with English subtitles. Noon. Additional screenings 12:30 p.m. July 31 and 7:30 p.m. Aug. 1. Bill Cosford Cinema at the University of Miami, 1111 Memorial Drive, Coral Gables. $18-$22. Details: (305) 284-4861 or www.cosfordcinema.com.
The International Views Discussion Group presents a screening of Patrick Creardon's "I.O.U.S.A." The 2008 documentary examines the US financial practices and how they have paved the way to a ballooning national debt. Film followed by a discussion on the topic. 7 p.m. Books & Books, 265 Aragon Ave., Coral Gables. Free. Details: (305) 442-4408 or www.booksandbooks.com.