8.8/10 by 4 users
The sons of the great detective Fenton Hardy, Frank and Joe are eager to impress their father with their mystery solving skills.
- Released: Jan 01, 1970
- Runtime: 00:30:14 minutes
- Genre: Kids, Mystery
- Stars: Tim Considine, Tommy Kirk, Russ Conway, Sarah Selby, Carole Ann Campbell, Andy Clyde, John Baer, Hugh Sanders
- Network:
