Broadway flea: Theater fans will have a chance to meet stars of current Broadway shows and buy and bid on stage memorabilia at the 23rd annual Broadway Flea Market and Grand Auction on Sunday from 10 a.m. to 7 p.m. in Shubert Alley (W. 44th St., between Broadway and Eighth Ave.). The free event benefits Broadway Cares/Equity Fights AIDs.

Consuming desires: A new performance installation by choreographer Carrie Ahern and the visual artist known as "Olek" will be viewable from the street in front of the Roger Smith Hotel, 501 Lexington Ave., Friday from 5:30 to 6:30 p.m. The piece is called "Covers" and is designed to explore the questions: How do we project our desires onto static objects we see in a store window? How does this shift when the objects are live women both changing the images before your eyes and receptive to outside forces? Free.

1970s classic: The nonprofit Film Forum, 209 West Houston, is screening a restored 35mm print of the 1972 John Huston boxing drama, "Fat City," through Oct. 1. The dramatization of Leonard Gardner's novel follows the unlikely friendship between a down-and-out boxer (Stacy Keach) and a callow newcomer (Jeff Bridges) to the sport. The film restored Huston's reputation after a series of late 1960s flops. Five showings each day from 1:30 to 9:30 p.m. Tickets $12.

Hip-hop theater: A new dance/theater piece, "Groovaloo," is at the Joyce Theater, 175 Eighth Ave., through Sunday. The show is designed to take audiences of all ages "on a journey through the diverse world of hip-hop dance. Driven by jaw-dropping displays of physical ability, a vibrant musical score and powerful spoken-word poetry, the show's intertwined stories chronicle the struggles, hopes and triumphs of the 14-member cast." Tickets $10 to $59.

Ecstatic visions: A major retrospective -- "William Blake's World: A New Heaven is Begun" -- is on display at the Morgan Library & Museum, 225 Madison Ave., through Jan. 3. In the Morgan's first exhibition devoted to Blake in two decades, former director Charles Ryskamp and curators Anna Lou Ashby and Cara Denison have assembled many of Blake's most spectacular watercolors, prints, and illuminated books of poetry. Tickets $12, $6 for seniors and children;