| Season 1 | Episode 1 | The Bubbler [Impossibles] | 1966-09-10 | 30 min |
| Season 1 | Episode 2 | The Shocking Electrical Monster [Frankenstein Jr.] | 1966-09-10 | 30 min |
| Season 1 | Episode 3 | The Spinner [Impossibles] | 1966-09-10 | 30 min |
| Season 1 | Episode 4 | The Perilous Paper Doll [Impossibles] | 1966-09-17 | 30 min |
| Season 1 | Episode 5 | The Spyder Man [Frankenstein Jr.] | 1966-09-17 | 30 min |
| Season 1 | Episode 6 | Beamatron [Impossibles] | 1966-09-17 | 30 min |
| Season 1 | Episode 7 | The Burrower [Impossibles] | 1966-09-24 | 30 min |
| Season 1 | Episode 8 | The Menace from the Wax Museum [Frankenstein Jr.] | 1966-09-24 | 30 min |
| Season 1 | Episode 9 | Timeatron [Impossibles] | 1966-09-24 | 30 min |
| Season 1 | Episode 10 | Smogula [Impossibles] | 1966-10-01 | 30 min |
| Season 1 | Episode 11 | The Alien Brain from Outer Space (1) [Frankenstein Jr.] | 1966-10-01 | 30 min |
| Season 1 | Episode 12 | The Sinister Speck [Impossibles] | 1966-10-01 | 30 min |
| Season 1 | Episode 13 | Fero, the Fiendish Fiddler [Impossibles] | 1966-10-08 | 30 min |
| Season 1 | Episode 14 | The Alien Brain from Outer Space (2) [Frankenstein Jr.] | 1966-10-08 | 30 min |
| Season 1 | Episode 15 | Mother Gruesome [Impossibles] | 1966-10-08 | 30 min |
| Season 1 | Episode 16 | Televisatron [Impossibles] | 1966-10-15 | 30 min |
| Season 1 | Episode 17 | U.F.O. - Unidentified Fiendish Object [Frankenstein Jr.] | 1966-10-15 | 30 min |
| Season 1 | Episode 18 | The Diabolical Dauber [Impossibles] | 1966-10-15 | 30 min |
| Season 1 | Episode 19 | Aquator [Impossibles] | 1966-10-22 | 30 min |
| Season 1 | Episode 20 | The Unearthly Plant Creatures [Frankenstein Jr.] | 1966-10-22 | 30 min |
| Season 1 | Episode 21 | The Wretched Professor Stretch [Impossibles] | 1966-10-22 | 30 min |
| Season 1 | Episode 22 | The Devilish Dragster [Impossibles] | 1966-10-29 | 30 min |
| Season 1 | Episode 23 | The Deadly Living Images [Frankenstein Jr.] | 1966-10-29 | 30 min |
| Season 1 | Episode 24 | The Return of the Spinner [Impossibles] | 1966-10-29 | 30 min |
| Season 1 | Episode 25 | Satanic Surfer [Impossibles] | 1966-11-05 | 30 min |
| Season 1 | Episode 26 | The Colossal Junk Monster [Frankenstein Jr.] | 1966-11-05 | 30 min |
| Season 1 | Episode 27 | The Puzzler [Impossibles] | 1966-11-05 | 30 min |
| Season 1 | Episode 28 | The Scheming Spraysol [Impossibles] | 1966-11-12 | 30 min |
| Season 1 | Episode 29 | The Incredible Aqua-Monsters [Frankenstein Jr.] | 1966-11-12 | 30 min |
| Season 1 | Episode 30 | The Scurrilous Sculptor [Impossibles] | 1966-11-12 | 30 min |
| Season 1 | Episode 31 | The Artful Archer [Impossibles] | 1966-11-19 | 30 min |
| Season 1 | Episode 32 | The Gigantic Ghastly Genie [Frankenstein Jr.] | 1966-11-19 | 30 min |
| Season 1 | Episode 33 | The Insidious Inflator [Impossibles] | 1966-11-19 | 30 min |
| Season 1 | Episode 34 | The Dastardly Diamond Dazzler [Impossibles] | 1966-11-26 | 30 min |
| Season 1 | Episode 35 | The Birdman [Frankenstein Jr.] | 1966-11-26 | 30 min |
| Season 1 | Episode 36 | The Return of the Perilous Paperman [Impossibles] | 1966-11-26 | 30 min |
| Season 1 | Episode 37 | Cronella Critch, the Tricky Witch [Impossibles] | 1966-12-03 | 30 min |
| Season 1 | Episode 38 | The Invasion of the Robot Creatures [Frankenstein Jr.] | 1966-12-03 | 30 min |
| Season 1 | Episode 39 | The Terrible Twister [Impossibles] | 1966-12-03 | 30 min |
| Season 1 | Episode 40 | Professor Stretch Bounces Back [Impossibles] | 1966-12-10 | 30 min |
| Season 1 | Episode 41 | The Manchurian Menace [Frankenstein Jr.] | 1966-12-10 | 30 min |
| Season 1 | Episode 42 | The Terrifying Tapper [Impossibles] | 1966-12-10 | 30 min |
| Season 1 | Episode 43 | The Anxious Angler [Impossibles] | 1966-12-17 | 30 min |
| Season 1 | Episode 44 | The Mad Monster Maker [Frankenstein Jr.] | 1966-12-17 | 30 min |
| Season 1 | Episode 45 | The Rascally Ringmaster [Impossibles] | 1966-12-17 | 30 min |
| Season 1 | Episode 46 | Billy the Kidder [Impossibles] | 1966-12-24 | 30 min |
| Season 1 | Episode 47 | The Monstermobile [Frankenstein Jr.] | 1966-12-24 | 30 min |
| Season 1 | Episode 48 | The Fiendish Dr. Futuro [Impossibles] | 1966-12-24 | 30 min |
| Season 1 | Episode 49 | The Crafty Clutcher [Impossibles] | 1966-12-31 | 30 min |
| Season 1 | Episode 50 | The Pilfering Putty Monster [Frankenstein Jr.] | 1966-12-31 | 30 min |
| Season 1 | Episode 51 | The Infamous Mr. Instant [Impossibles] | 1966-12-31 | 30 min |
| Season 1 | Episode 52 | The Bizarre Batter [Impossibles] | 1967-01-07 | 30 min |
| Season 1 | Episode 53 | The Spooktaculars [Frankenstein Jr.] | 1967-01-07 | 30 min |
| Season 1 | Episode 54 | The Not So Nice Mr. Ice [Impossibles] | 1967-01-07 | 30 min |
