IMDb 
TMDB Where to watch
Open a source to start watching
The sons of the great detective Fenton Hardy, Frank and Joe are eager to impress their father with their mystery solving skills.
Recommended
More titles you might like from our catalog
6.5
Baretta
6.5
Series
1975•Crime•Drama•60 min
7.8
Agatha Christie's Marple
7.8
Series
2004•Drama•Crime•88 min
8.2
Scooby-Doo! Mystery Incorporated
8.2
Series
2010•Animation•Mystery•22 min
7.0
Barnaby Jones
7.0
Series
1973•Crime•Drama•46 min
7.0
Cross
7.0
Series
2024•Crime•Drama
7.8
What's New, Scooby-Doo?
7.8
Series
2002•Animation•Action & Adventure•22 min
6.4
Dalziel and Pascoe
6.4
Series
1996•Mystery•Crime•60 min
7.5
Scooby-Doo and Scrappy-Doo
7.5
Series
1979•Animation•Mystery•22 min
7.6
Chip 'n' Dale Rescue Rangers
7.6
Series
1989•Animation•Comedy•22 min
7.8
Alfred Hitchcock Presents
7.8
Series
1955•Mystery•Drama•25 min
7.2
77 Sunset Strip
7.2
Series
1958•Crime•Drama•60 min
6.6
Sherlock & Daughter
6.6
Series
2025•Drama•Mystery