E01 · The Bubbler 7m
9/10/1966
The Bubbler kidnaps the Shah of Shish-Ka-Bob and it's up to the Impossibles to rescue him.
E02 · The Shocking Electrical Monster 7m
9/10/1966
Dr. Shock uses his Master Mix Monster Machine to turn his assistant Igor into an electricity-absorbing monster.
E03 · The Spinner 7m
9/10/1966
The Spinner steals a $1,000,000 tiara.
E04 · The Perilous Paper Doll 7m
9/17/1966
The Paper Doll Man steals a top secret plan and is out to steal the second part.
E05 · The Spyder Man 7m
9/17/1966
Professor Conroy and Buzz unveil the blueprints for the Spy Detector XK-00-7 at a Maximum Security Building. Unfortunately, the blueprints are targeted by the Spyder Man.
E06 · Beamatron 7m
9/17/1966
Beamatron steals a priceless painting from a ship.
E07 · The Burrower 7m
9/24/1966
The Burrower uses his burrowing machine to steal half a million dollars from the bank and dig ten miles down to his lair.
E08 · The Menace from the Wax Museum 7m
9/24/1966
Upon an encounter with Buzz at the wax museum, Mr. Menace uses his monsters Godzonka, Gorillis and Cyclaws in an attack upon San Francisco.
E09 · Timeatron 7m
9/24/1966
Timeatron uses his time cabinet to bring villains from the past to pillage for him.
E10 · Smogula 7m
10/1/1966
Smogula freezes the Impossibles and seals them within a cave, so they will not interfere with his plans to conquer Empire City.
E11 · The Alien Brain from Outer Space, Part 1 7m
10/1/1966
A giant alien brain arrives on Earth and captures Buzz and Frankenstein Jr.
E12 · The Sinister Speck 7m
10/1/1966
The Speck uses a formula to shrink himself in order to photograph top secret plans.
E13 · Fero, the Fiendish Fiddler 7m
10/8/1966
To get the Impossibles out of the way, Fero uses his fiddle to transport them to different planets.
E14 · The Alien Brain from Outer Space, Part 2 7m
10/8/1966
A giant alien brain arrives on Earth and captures Buzz and Frankenstein Jr.
E15 · Mother Gruesome 7m
10/8/1966
Mother Gruesome invents a machine that brings villainous storybook characters out of their stories to help her with her crimes.
E16 · Televisatron 7m
10/15/1966
Televisatron transports the Impossibles to different television shows.
E17 · U.F.O. Unidentified Fiendish Object 7m
10/15/1966
The alien Zargon unleashes his warrior Destructo to conquer Earth.
E18 · The Diabolical Dauber 7m
10/15/1966
The Dauber uses a special brush where anything he paints becomes real.
E19 · Aquator 7m
10/22/1966
Aquator has stolen a secret formula from a scientist who is friends with Big D and shrinks himself to microscopic size in order to get all the microscopic creatures to become large.
E20 · The Unearthly Plant Creatures 7m
10/22/1966
Plant Man thaws the last three prehistoric plants (the Carnivorous Chewer, the Creeping Crusher and the Fire-Breathing Snapdragon) from a glacier and then sprays them with his Obedience Ray in a plot to eliminate Buzz and Frankenstein Jr.
E21 · The Wretched Professor Stretch 7m
10/22/1966
Professor Stretch causes havoc with his elastic abilities.
E22 · The Devilish Dragster 7m
10/29/1966
The Dragster has stolen a valuable item.
E23 · The Deadly Living Images 7m
10/29/1966
The Mad Inventor has invented the Double Identity Duplicator Projector to create living images he can control.
E24 · The Return of the Spinner 7m
10/29/1966
The Spinner returns and steals a priceless pooch.
E25 · Satanic Surfer 7m
11/5/1966
The Surfer takes pictures of a top secret submarine.
E26 · The Colossal Junk Monster 7m
11/5/1966
The Junk Man creates the Colossal Junk Monster in a plot to eliminate Frankenstein Jr.
E28 · The Scheming Spraysol 7m
11/12/1966
Spraysol steals top secret documents.
E29 · The Incredible Aqua-Monsters 7m
11/12/1966
Buzz and Frankenstein Jr. guard the Navy's new Hydrotomic Submarine to prevent Dr. Hook and his aquatic monsters from stealing it.
E30 · The Scurrilous Sculptor 7m
11/12/1966
The Sculptor turns people into statues.
E31 · The Artful Archer 7m
11/19/1966
The Archer steals a priceless violin and a million dollars.
E32 · The Gigantic Ghastly Genie 7m
11/19/1966
Zorbo the Great creates a genie and plans to use its three wishes in order to defeat Frankenstein Jr. and conquer the world.
E33 · The Insidious Inflator 7m
11/19/1966
The Inflator creates giant balloon monsters to help him commit crimes.
E34 · The Dastardly Diamond Dazzler 7m
11/26/1966
The Diamond Dazzler steals a precious diamond in order to awaken the genie within.
E35 · The Birdman 7m
11/26/1966
Birdman and his robotic birds Vulturo, Rodantus, and King Condor abduct two astronauts and hold them for a ransom of $1,000,000.
E36 · The Return of the Perilous Paperman 7m
11/26/1966
The Paper Doll Man returns and causes trouble.
E37 · Cronella Critch the Tricky Witch 7m
12/3/1966
A witch named Cronella Critch robs a charity for orphans party.
E38 · The Invasion of the Robot Creatures 7m
12/3/1966
Sertano the Satellite King, an alien from Galaxy X, uses a gravity ray in order to get Earth to surrender. Buzz and Frankenstein Jr. must defeat Sertano's robots in order to defeat him.
E39 · The Terrible Twister 7m
12/3/1966
The Twister is stealing precious jewels.
E40 · Professor Stretch Bounces Back 7m
12/10/1966
Professor Stretch returns and creates a rubber monster to help him.
E41 · The Manchurian Menace 7m
12/10/1966
E42 · The Terrifying Tapper 7m
12/10/1966
The Tapper transmits himself over phone lines.
E43 · The Anxious Angler 7m
12/17/1966
The Angler steals secret space research.
E44 · The Mad Monster Maker 7m
12/17/1966
To perform a crime wave in London, Baron Von Ghoul creates robotic versions of the horror movie monsters the Electroflying Firefly, the Menacing Mummy, and the Wicked Werewolf.
E45 · The Rascally Ringmaster 7m
12/17/1966
The Ringmaster puts on a circus and robs from those who attend.
E46 · Billy the Kidder 7m
12/24/1966
Billy the Kidder is a cowboy who rides a robotic horse and plans to rob the U.S. Mint.
E47 · The Monstermobile 7m
12/24/1966
The Mad Inventor has invented the Monstermobile and uses its many gadgets to commit crimes.
E48 · The Fiendish Dr. Futuro 7m
12/24/1966
Dr. Futuro comes from the 40th century to the twentieth century to steal a million dollar gold brick.
E49 · The Crafty Clutcher 7m
12/31/1966
The Clutcher uses an invention that brings his gloves to life.
E50 · The Pilfering Putty Monster 7m
12/31/1966
Mr. Menace uses his putty monster to steal a $1,000,000 coin collection and even kidnaps Buzz. It is up to Frankenstein Jr. to rescue Buzz and defeat Mr. Menace.
E51 · The Infamous Mr. Instant 7m
12/31/1966
Mr. Instant uses his insta-gun that can make anything in an instant.
E52 · The Bizarre Batter 7m
1/7/1967
The Batter kidnaps a baseball star and holds him for ransom.
E53 · The Spooktaculars 7m
1/7/1967
Dr. Spectro creates three giant ghoulish ghosts in order to take over Penciltrainia.
E54 · The Not So Nice Mr. Ice 7m
1/7/1967
Mr. Ice and his henchman Freezer Freezer freeze the city in order to take it over.