The Hardy Boys — Season 1, Episode 4: The Secret Warning / The Mystery of the Aztec Warrior

Episode synopsis

When their nocturnal search of the Applegate property is suddenly interrupted, the Hardys learn more about the mysterious treasure---and discover that they're not the only ones looking for it. Applegate: Florenz Ames. Iola: Carole Ann Campbell.

About The Hardy Boys

The Hardy Boys is an animated series, produced by Filmation and aired Saturday mornings on ABC in 1969. It featured the Hardy Boys, Joe and Frank, along with their friends Chubby Morton, Wanda Kay Breckenridge, and Pete Jones touring as a rock band while solving mysteries. The series is also notable for its opening and closing credits, which the Hardys appeared in live action. The series debuted at the same time as Hanna-Barbera's similarly themed Scooby-Doo, Where Are You!, which was scheduled against the show on CBS.

More episodes from Season 1

• E1Footprints Under The Window / Hunting for Hidden Gold
• E2Mystery of the Desert Giant / The Viking Symbol Mystery
• E3The Secret of the Old Mill / The Missing Chums
• E5The Mystery of Cabin Island / The Hidden Harbor Mystery
• E6The Secret of the Caves / A Figure In Hiding
• E7The Ghost at Skeleton Rock / The Mystery of the Chinese Junk
• E8The Shore Road Mystery / The Sign of the Crooked Arrow
• E9What Happened at Midnight / The Clue in the Embers
• E10The Clue of the Screeching Owl / The Yellow Feather Mystery
• E11The House on the Cliff / Mystery of the Spiral Bridge
• E12The Mystery at Devil's Paw / The Haunted Fort
• E13The Sinister Signpost / The Melted Coins