The series starred Milton the Monster, a Frankenstein-looking monster with a flat-topped, seemingly hollow head which emitted various quantities of white steam or smoke based on his mood or situation. In the show also appear Fearless Fly, Flukey Luke, Stuffy Durma the Millionaire Hobo, Muggy-Doo Boy Fox and Penny Penguin. There were 26 episodes with three cartoon shorts each.
Air Date: 1965-10-09
Goo Fee hopes to trap Fearless Fly in a super-adhesive flypaper.
Air Date: 1965-10-09
Flukey Luke attempts to stop Spider Webb from stealing the Hopeless Diamond.
Air Date: 1965-10-09
Milton, Heebie and Jeebie court Zelda the Zombie.
Air Date: 1965-10-16
Goo Fee engages Fearless Fly in a deadly game of horseshoes.
Air Date: 1965-10-16
Muggy-Do, Boy Fox, steals an organ grinder's monkey to create modern art.
Air Date: 1965-10-16
Professor Weirdo tries to marry Milton off to a wealthy spinster.
Air Date: 1965-10-23
Fearless Fly battles the flyweight judo champion, Fatty Karate.
Air Date: 1965-10-23
Muggy-Do is a publicity agent who gets a job at Paranoid Pictures.
Air Date: 1965-10-23
Professor Weirdo hires out his monsters in order to pay his rent.
Air Date: 1965-10-30
Fearless Fly battles Captain Fligh.
Air Date: 1965-10-30
Muggy-Do is a vacuum cleaner salesman who ends up as a counter-espionage agent.
Air Date: 1965-10-30
Professor Fruitcake makes a voodoo doll of Professor Weirdo.
Air Date: 1965-11-06
Gung Ho captures Horsey, mistaking him for Fearless Fly.
Air Date: 1965-11-06
Muggy-Do, working as a bellboy, makes a dishonest buck off a movie-star guest.
Air Date: 1965-11-06
Professor Weirdo tries to prevent his Aunt Hagatha from seeing Milton.
Air Date: 1965-11-13
Goo Fee forces Gung Ho to try and blow up himself and Fearless Fly.
Air Date: 1965-11-13
Stuffy Durma, the Millionaire Hobo, gets a visit from an old friend.
Air Date: 1965-11-13
Professor Weirdo conducts a séance.
Air Date: 1965-11-20
Goo Fee tries to bribe Hiram into betraying Fearless Fly.
Air Date: 1965-11-20
Flukey Luke chases down the masterpiece-stealing Spider Webb.
Air Date: 1965-11-20
Count Kook leads a revolt against Professor Weirdo.
Air Date: 1965-11-27
Goo Fee pretends to be dying in order to lure Fearless Fly into his trap.
Air Date: 1965-11-27
Penny Penguin causes trouble between her father and a mechanic.
Air Date: 1965-11-27
Aunt Hagatha visits to teach the monsters some manners.
Air Date: 1965-12-04
Goo Fee steals Fearless Fly's matchbox, falsely believing the super-insect to be inside.
Air Date: 1965-12-04
Spider Webb hires a Mexican bandit to stop Flukey Luke.
Air Date: 1965-12-04
Prof. Weirdo sells Milton to a gangster running a protection racket.
Air Date: 1965-12-11
Goo Fee hires a ruthless Mexican hombre to destroy Fearless Fly.
Air Date: 1965-12-11
Flukey Luke thwarts a plot to steal money from a royal prince.
Air Date: 1965-12-11
Two monster clubs fight over the Marlon Brando-like Fangenstein.
Air Date: 1965-12-18
Goo Fee promises his servant the throne if he captures Fearless Fly.
Air Date: 1965-12-18
A Chinese astrologer honors Muggy-Do.
Air Date: 1965-12-18
Milton, Heebie and Jeebie are inducted into the army.
Air Date: 1966-01-08
Doctor Goo Fee sprays his servant with an invisibility formula and sends him to steal works of art.
Air Date: 1966-01-08
Stuffy Durma joins a boys' baseball game.
Air Date: 1966-01-08
The family's shrunken head wants revenge on Prof. Weirdo.
Air Date: 1966-01-15
Fearless Fly must stop Prof. Weirdo from turning small animals into monsters
Air Date: 1966-01-15
Stuffy Durma tries to sneak Ash Can Annie into the mansion.
Air Date: 1966-01-15
Prof. Weirdo and Prof. Fruitcake engage in a deadly game of tit-for-tat.
Air Date: 1966-01-22
Goo Fee tricks Fearless Fly into building a sphinx in the evil wizard's honor.
Air Date: 1966-01-22
Penny Penguin squalls for a bigger allowance.
Air Date: 1966-01-22
Prof. Weirdo tries to sell Heebie and Jeebie to Prof. Fruitcake.
Air Date: 1966-01-29
Fearless Fly battles Professor Weirdo's giant spider.
Air Date: 1966-01-29
Penny Penguin ruins her parents' second honeymoon.
Air Date: 1966-01-29
Prof. Weirdo sells Milton to Professor Fruitcake.
Air Date: 1966-02-05
Prof. Weirdo's new monster, George, proves too nice to battle Fearless Fly.
Air Date: 1966-02-05
Muggy-Do harasses Osh at his new bakery.
Air Date: 1966-02-05
Prof. Weirdo sets a trap for a vampire.
Air Date: 1966-02-12
Two mobsters kidnap Milton.
Air Date: 1966-02-12
Fearless Fly battles the Martians.
Air Date: 1966-02-12
Witches holding their annual convention catch Heebie and Jeebie spying on them.
Air Date: 1966-02-19
Prof. Weirdo sends his monsters to a day camp.
Air Date: 1966-02-19
Fearless Fly battles an out-of-control computer system at an automobile plant.
Air Date: 1966-02-19
Prof. Weirdo accuses Milton of stealing his hearse.
Air Date: 1966-02-26
Heebie and Jeebie pretend to be the ghosts of their ancestors.
Air Date: 1966-02-26
Fearless Fly battles Barry Cuda and his giant clams.
Air Date: 1966-02-26
Prof. Weirdo takes in an underprivileged child.
Air Date: 1966-03-05
Prof. Weirdo has Milton bury him alive in order to subvert a curse.
Air Date: 1966-03-05
A seductress learns the secret of Fearless Fly's power.
Air Date: 1966-03-05
Moon-men arrive and eat Prof. Weirdo's furniture.
Air Date: 1966-03-12
Mike, the mechanical man, monster-sits Milton.
Air Date: 1966-03-12
Goo Fee and Gung Ho get marooned on a tropical island.
Air Date: 1966-03-12
Milton attempts to use his retro-rocket head to propel himself to the moon.
Air Date: 1966-03-19
Fangenstein kidnaps the shrunken head, who knows the location of buried treasure.
Air Date: 1966-03-19
Goo Fee employs a private detective with a secret-revealing computer.
Air Date: 1966-03-19
Two spies brainwash Milton.
Air Date: 1966-03-26
A lightning bolt brings Prof. Weirdo's mummy to life.
Air Date: 1966-03-26
Goo Fee produces and directs a movie with Fearless Fly.
Air Date: 1966-03-26
Fangenstein and Abercrombie the zombie build a mummy corral.
Air Date: 1966-04-02
Goo Fee invites Fearless Fly on an African safari.
Air Date: 1966-04-02
Stuffy Durma meets Grubstake Greeley, the gold prospector.
Air Date: 1966-04-02
Professor Fruitcake kidnaps Blackie the Bat.
Air Date: 1966-04-09
Milton's pet crocodile finds sunken treasure.
Air Date: 1966-04-09
Fearless Fly battles the wrestling Sultan of Fly-geria, Ferocious Fly.
Air Date: 1966-04-09
Prof. Weirdo's evil spirit solution turns Milton into a rampaging beast.
Air Date: 1966-04-16
Goo Fee instigates war between Fearless Fly and a French general.
Air Date: 1966-04-16
Flukey Luke guards a Stradivarius.
Air Date: 1966-04-16
Milton finds the Mummy's Thumb, which turns anything it touches to gold.