If you can watch only one, watch the series Chicano! (available online)

Other documentaries worth watching:

http://www.amazon.com/American-Experience-Class-Carlos-Sandoval/dp/B001NY4X1Y/ref=sr_1_2?s=movies-tv&ie=UTF8&qid=1374893078&sr=1-2&keywords=chicano

http://www.amazon.com/Viva-La-Causa-Movement-Justice/dp/B001VA4DH4/ref=pd_cp_mov_2

http://www.chavezfoundation.org/zencart/index.php?main_page=product_info&products_id=24

http://www.newday.com/films/Los_Trabajadores.html

http://www.amazon.com/Los-Four-Murals-Aztlan-Painters/dp/B000NA77O4/ref=sr_1_1?s=movies-tv&ie=UTF8&qid=1374955741&sr=1-1&keywords=murals+of+aztlan

Fictionalized accounts:

http://www.amazon.com/Walkout-Alexa-Vega/dp/B000KJU15U/ref=sr_1_3?s=movies-tv&ie=UTF8&qid=1374893078&sr=1-3&keywords=chicano

http://www.amazon.com/Zoot-Suit-Edward-James-Olmos/dp/B00007J5VO/ref=sr_1_2?s=movies-tv&ie=UTF8&qid=1374893444&sr=1-2&keywords=zoot+suit

http://www.amazon.com/Stand-Deliver-Edward-James-Olmos/dp/6305161917/ref=sr_1_2?s=movies-tv&ie=UTF8&qid=1374955572&sr=1-2&keywords=stand+and+deliver