Cliffhangers!Season 1Season 1Season number1Season name—ArtworkNo imagePoster#ImageTitleAired1Episode 1 - Stop Susan Williams: The Silent Enemy - The Secret Empire: Plunge Into Mystery - The Curse of Dracula: LifebloodFeb 27, 19792Episode 2 - Stop Susan Williams: Jungle Death Trap - The Secret Empire: Prisoner of the Empire - The Curse of Dracula: Blood StreamMar 6, 19793Episode 3 - Stop Susan Williams: Thundering Doom - The Secret Empire: The Mind Twisters - The Curse or Dracula: Demons of the DarkMar 13, 19794Episode 4 - Stop Susan Williams: Deadly Descent - The Secret Empire: Seeds of Revolt - The Curse or Dracula: Depository of DeathMar 20, 19795Episode 5 - Stop Susan Williams: Watery Grave - The Secret Empire: Attack of the Phantom Riders - The Curse or Dracula: Sepulchre of the UndeadMar 27, 19796Episode 6 - Stop Susan Williams: Cauldron of Fire - The Secret Empire: Sizzling Threat - The Curse or Dracula: Threshold of EternityApr 3, 19797Episode 7 - Stop Susan Williams: River of Blood - The Secret Empire: Mandibles of Death - The Curse or Dracula: Where Angels Fear to TreadApr 10, 19798Episode 8 - Stop Susan Williams: Wheels of Destruction - The Secret Empire: The Last Gasp - The Curse or Dracula: Sealed in BloodApr 17, 19799Episode 9 - Stop Susan Williams: Terror from the Sky - The Secret Empire: Return to Chimera - The Curse or Dracula: Thirst for DeathApr 24, 197910Episode 10 - Stop Susan Williams: The Villain Revealed - The Secret Empire: Powerhouse - The Curse or Dracula: Pleas of the DamnedMay 1, 197911Episode 11 - The Secret Empire: Partisans Unchained - Stop Susan Williams: Crypt Of Disaster - The Secret Empire: Escape To The Stars—12Episode 12 (unaired)—