Mystery at Blind Frog Ranch 4x5 Sacrificial Altar Season 4 Season 4 5 Episodes 4x1 - Into The Cavern- Part 2 4x2 - The Curse of the Aztecs 4x3 - Death Trap 4x4 - The Skull 4x5 - Sacrificial Altar Chad and Eric find signs of gold at the abandoned mine, but nightfall brings an unwanted stalker to their camp. At the Bead Site, the team unearths an ancient structure.