The Secret Serum

1 Beware the Beast from Below 2 The Creeping Creatures 3 Secret of the Ghost Rig 4 Revenge of the Man Crab 5 The Song of Mystery 6 The Legend of Alice May 7 In Fear of the Phantom 8 The Grasp of the Gnome 9 Battle of the Humungonauts 10 Howl of the Fright Hound 11 The Secret Serum 12 The Shrieking Madness 13 When the Cicada Calls 14 Mystery Solvers Club State Finals 15 The Wild Brood 16 Where Walks Aphrodite 17 Escape from Mystery Manor 18 The Dragon's Secret 19 Nightfright 20 The Siren's Song 21 Menace of the Manticore 22 Attack of the Headless Horror 23 A Haunting in Crystal Cove 24 Dead Justice 25 Pawn of Shadows 26 All Fear the Freak