The Hardy Boys (1969)
The Secret of the Caves / A Figure In Hiding (1x6)
Uitzenddatum: Okt 11, 1969
While boating at night, the Hardys are caught in another mystery. The sabotage of a bridge's construction has the band searching for a culprit.
- in première gegaan: Sep 1969
- Afleveringen: 17
- Volgers: 0