Weekend for Three (1941) -720p- Dennis O'Keefe, Jane Wyatt, Phillip Reed, Edward Everett Horton, Zasu Pitts

A young married couple's weekend is interrupted by the arrival of a brash, loud-mouthed acquaintance of the wife, who knew her before her marriage. He immediately proceeds to turn their life upside-down, despite their best efforts to politely get rid of him. Complications ensue.