Season 1
1977 • 14 Episodes
Season 1 of The Hardy Boys / Nancy Drew Mysteries premiered on January 30, 1977.
Season 2
1977 • 22 Episodes
Season 2 of The Hardy Boys / Nancy Drew Mysteries premiered on September 11, 1977.
Season 3
1978 • 10 Episodes
Season 3 of The Hardy Boys / Nancy Drew Mysteries premiered on October 2, 1978.