The Thin Man (1934)

A brilliant film, complicated, fun, and witty. William Powell and Myrna Loy have great chemistry, and the clever rata-tat dialogue must have been a major influence on later writers, like Aaron Sorkin and Amy Sherman-Palladino. I even got my sister to watch this one with me. From the novel by Dashiell Hammett. First in a series. Excellent.