
Episode 1
The Bubbler
Sep 10, 1966
The Bubbler kidnaps the Shah of Shish-Ka-Bob and it's up to the Impossibles to rescue him.

Episode 2
The Shocking Electrical Monster
Sep 10, 1966
Dr. Shock uses his Master Mix Monster Machine to turn his assistant Igor into an electricity-absorbing monster.

Episode 3
The Spinner
Sep 10, 1966
The Spinner steals a $1,000,000 tiara.

Episode 4
The Perilous Paper Doll
Sep 17, 1966
The Paper Doll Man steals a top secret plan and is out to steal the second part.

Episode 5
The Spyder Man
Sep 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.

Episode 6
Beamatron
Sep 17, 1966
Beamatron steals a priceless painting from a ship.

Episode 7
The Burrower
Sep 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.

Episode 8
The Menace from the Wax Museum
Sep 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.

Episode 9
Timeatron
Sep 24, 1966
Timeatron uses his time cabinet to bring villains from the past to pillage for him.

Episode 10
Smogula
Oct 1, 1966
Smogula freezes the Impossibles and seals them within a cave, so they will not interfere with his plans to conquer Empire City.

Episode 11
The Alien Brain from Outer Space, Part 1
Oct 1, 1966
A giant alien brain arrives on Earth and captures Buzz and Frankenstein Jr.

Episode 12
The Sinister Speck
Oct 1, 1966
The Speck uses a formula to shrink himself in order to photograph top secret plans.

Episode 13
Fero, the Fiendish Fiddler
Oct 8, 1966
To get the Impossibles out of the way, Fero uses his fiddle to transport them to different planets.

Episode 14
The Alien Brain from Outer Space, Part 2
Oct 8, 1966
A giant alien brain arrives on Earth and captures Buzz and Frankenstein Jr.

Episode 15
Mother Gruesome
Oct 8, 1966
Mother Gruesome invents a machine that brings villainous storybook characters out of their stories to help her with her crimes.

Episode 16
Televisatron
Oct 15, 1966
Televisatron transports the Impossibles to different television shows.

Episode 17
U.F.O. Unidentified Fiendish Object
Oct 15, 1966
The alien Zargon unleashes his warrior Destructo to conquer Earth.

Episode 18
The Diabolical Dauber
Oct 15, 1966
The Dauber uses a special brush where anything he paints becomes real.

Episode 19
Aquator
Oct 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.

Episode 20
The Unearthly Plant Creatures
Oct 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.

Episode 21
The Wretched Professor Stretch
Oct 22, 1966
Professor Stretch causes havoc with his elastic abilities.

Episode 22
The Devilish Dragster
Oct 29, 1966
The Dragster has stolen a valuable item.

Episode 23
The Deadly Living Images
Oct 29, 1966
The Mad Inventor has invented the Double Identity Duplicator Projector to create living images he can control.

Episode 24
The Return of the Spinner
Oct 29, 1966
The Spinner returns and steals a priceless pooch.

Episode 25
Satanic Surfer
Nov 5, 1966
The Surfer takes pictures of a top secret submarine.

Episode 26
The Colossal Junk Monster
Nov 5, 1966
The Junk Man creates the Colossal Junk Monster in a plot to eliminate Frankenstein Jr.

Episode 27
The Puzzler
Nov 5, 1966

Episode 28
The Scheming Spraysol
Nov 12, 1966
Spraysol steals top secret documents.

Episode 29
The Incredible Aqua-Monsters
Nov 12, 1966
Buzz and Frankenstein Jr. guard the Navy's new Hydrotomic Submarine to prevent Dr. Hook and his aquatic monsters from stealing it.

Episode 30
The Scurrilous Sculptor
Nov 12, 1966
The Sculptor turns people into statues.

Episode 31
The Artful Archer
Nov 19, 1966
The Archer steals a priceless violin and a million dollars.

Episode 32
The Gigantic Ghastly Genie
Nov 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.

Episode 33
The Insidious Inflator
Nov 19, 1966
The Inflator creates giant balloon monsters to help him commit crimes.

Episode 34
The Dastardly Diamond Dazzler
Nov 26, 1966
The Diamond Dazzler steals a precious diamond in order to awaken the genie within.

Episode 35
The Birdman
Nov 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.

Episode 36
The Return of the Perilous Paperman
Nov 26, 1966
The Paper Doll Man returns and causes trouble.

Episode 37
Cronella Critch the Tricky Witch
Dec 3, 1966
A witch named Cronella Critch robs a charity for orphans party.

Episode 38
The Invasion of the Robot Creatures
Dec 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.

Episode 39
The Terrible Twister
Dec 3, 1966
The Twister is stealing precious jewels.

Episode 40
Professor Stretch Bounces Back
Dec 10, 1966
Professor Stretch returns and creates a rubber monster to help him.

Episode 41
The Manchurian Menace
Dec 10, 1966

Episode 42
The Terrifying Tapper
Dec 10, 1966
The Tapper transmits himself over phone lines.

Episode 43
The Anxious Angler
Dec 17, 1966
The Angler steals secret space research.

Episode 44
The Mad Monster Maker
Dec 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.

Episode 45
The Rascally Ringmaster
Dec 17, 1966
The Ringmaster puts on a circus and robs from those who attend.

Episode 46
Billy the Kidder
Dec 24, 1966
Billy the Kidder is a cowboy who rides a robotic horse and plans to rob the U.S. Mint.

Episode 47
The Monstermobile
Dec 24, 1966
The Mad Inventor has invented the Monstermobile and uses its many gadgets to commit crimes.

Episode 48
The Fiendish Dr. Futuro
Dec 24, 1966
Dr. Futuro comes from the 40th century to the twentieth century to steal a million dollar gold brick.

Episode 49
The Crafty Clutcher
Dec 31, 1966
The Clutcher uses an invention that brings his gloves to life.

Episode 50
The Pilfering Putty Monster
Dec 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.

Episode 51
The Infamous Mr. Instant
Dec 31, 1966
Mr. Instant uses his insta-gun that can make anything in an instant.

Episode 52
The Bizarre Batter
Jan 7, 1967
The Batter kidnaps a baseball star and holds him for ransom.

Episode 53
The Spooktaculars
Jan 7, 1967
Dr. Spectro creates three giant ghoulish ghosts in order to take over Penciltrainia.

Episode 54
The Not So Nice Mr. Ice
Jan 7, 1967
Mr. Ice and his henchman Freezer Freezer freeze the city in order to take it over.