Instead of sitting down to watch a sitcom, your family might have gone to see this film in the movie theater in the late 1930s. It is mostly light fun with Judge Hardy doing something on a committee that is mostly unexplored as his kids get into various forms of trouble in Washington DC. The plot does threaten some serious problems for the Judge and his family, but like reading the old Hardy Boys books you rather suspect it will all work out.
Review of Judge Hardy's Children
