324. The Joker's Flying Saucer 2/29/1968
The Joker and his men Verdigris, Shamrock, and Chartreuse, and his moll Emerald create a flying saucer scare in Gotham City in order to prepare the people for his latest scheme: to build an actual flying saucer with the plans he obtained from a mad scientist cellmate and use it to take over the world!
Guest star: Byron Keith (Mayor Lindseed), Richard Bakalyan (Verdigris), Cesar Romero (The Joker) , Ellen Corby (Mrs. Green), Fritz Field (Professor Greenleaf), Tony Gardner (Chartreuse), Corinne Calvet (Emerald), Jeff Burton (II) (Shamrock)
325. The Entrancing Dr. Cassandra 3/7/1968
Upon learning that The Gotham City Bank has been robbed by two invisible crooks, Commissioner Gordon attempts to contact The Dynamic Duo but is stopped by the invisible Cassandra Spellcraft, alias Dr. Cassandra, and her husband Cabala.
Guest star: David Lewis (Warden Crichton) , G. David Schine (Himself [Floorwalker]), Bill Zuckert (Prison Captain), Ida Lupino (Cassandra Spellcraft/Dr. Cassandra), Howard Duff (Cabala)
326. Minerva, Mayhem and Millionaires 3/14/1968
Minerva, owner-operator-proprietress of a Mineral Spa that caters to millionaires, uses her dastardly Deepest Secret Extractor to pick the brains of her wealthy customers and to locate their hidden valuables.
Guest star: Zsa Zsa Gabor (Minerva), George N. Neise (Mr. Shubert), Boyd Santell (Security Guard), Yvonne Arnett (Aphrodite), Al Ferrara (Atlas), William Smith (Adonis), Jacques Bergerac (Freddy Touche The Fence), Mark Bailey (Apollo)