| Season 1 | Episode 1 | The Vulcan Affair | 1964-09-22 | 60 min |
| Season 1 | Episode 2 | The Iowa Scuba Affair | 1964-09-29 | 60 min |
| Season 1 | Episode 3 | The Quadripartite Affair | 1964-10-06 | 60 min |
| Season 1 | Episode 4 | The Shark Affair | 1964-10-13 | 60 min |
| Season 1 | Episode 5 | The Deadly Games Affair | 1964-10-20 | 60 min |
| Season 1 | Episode 6 | The Green Opal Affair | 1964-10-27 | 60 min |
| Season 1 | Episode 7 | The Giuoco Piano Affair | 1964-11-10 | 60 min |
| Season 1 | Episode 8 | The Double Affair | 1964-11-17 | 60 min |
| Season 1 | Episode 9 | The Project Strigas Affair | 1964-11-24 | 60 min |
| Season 1 | Episode 10 | The Finny Foot Affair | 1964-11-24 | 60 min |
| Season 1 | Episode 11 | The Neptune Affair | 1964-12-08 | 60 min |
| Season 1 | Episode 12 | The Dove Affair | 1964-12-15 | 60 min |
| Season 1 | Episode 13 | The King of Knaves Affair | 1964-12-22 | 60 min |
| Season 1 | Episode 14 | The Terbuf Affair | 1964-12-29 | 60 min |
| Season 1 | Episode 15 | The Deadly Decoy Affair | 1965-01-11 | 60 min |
| Season 1 | Episode 16 | The Fiddlesticks Affair | 1965-01-18 | 60 min |
| Season 1 | Episode 17 | The Yellow Scarf Affair | 1965-01-25 | 60 min |
| Season 1 | Episode 18 | The Mad, Mad, Tea Party Affair | 1965-02-01 | 60 min |
| Season 1 | Episode 19 | The Secret Sceptre Affair | 1965-02-08 | 60 min |
| Season 1 | Episode 20 | The Bow-Wow Affair | 1965-02-15 | 60 min |
| Season 1 | Episode 21 | The Four-Steps Affair | 1965-02-22 | 60 min |
| Season 1 | Episode 22 | The See-Paris-and-Die Affair | 1965-03-01 | 60 min |
| Season 1 | Episode 23 | The Brain-Killer Affair | 1965-03-08 | 60 min |
| Season 1 | Episode 24 | The Hong Kong Shilling Affair | 1965-03-15 | 60 min |
| Season 1 | Episode 25 | The Never-Never Affair | 1965-03-22 | 60 min |
| Season 1 | Episode 26 | The Love Affair | 1965-03-28 | 60 min |
| Season 1 | Episode 27 | The Gazebo in the Maze Affair | 1965-04-05 | 60 min |
| Season 1 | Episode 28 | The Girls of Nazarone Affair | 1965-04-12 | 60 min |
| Season 1 | Episode 29 | The Odd Man Affair | 1965-04-19 | 60 min |
| Season 2 | Episode 1 | The Alexander the Greater Affair (1) | 1965-09-17 | 60 min |
| Season 2 | Episode 2 | The Alexander the Greater Affair (2) | 1965-09-24 | 60 min |
| Season 2 | Episode 3 | The Ultimate Computer Affair | 1965-10-01 | 60 min |
| Season 2 | Episode 4 | The Foxes and Hounds Affair | 1965-10-08 | 60 min |
| Season 2 | Episode 5 | The Discotheque Affair | 1965-10-15 | 60 min |
| Season 2 | Episode 6 | The Re-Collector's Affair | 1965-10-22 | 60 min |
| Season 2 | Episode 7 | The Arabian Affair | 1965-10-29 | 60 min |
| Season 2 | Episode 8 | The Tigers Are Coming Affair | 1965-11-05 | 60 min |
| Season 2 | Episode 9 | The Deadly Toys Affair | 1965-11-12 | 60 min |
| Season 2 | Episode 10 | The Cherry Blossom Affair | 1965-11-19 | 60 min |
| Season 2 | Episode 11 | The Virtue Affair | 1965-12-03 | 60 min |
| Season 2 | Episode 12 | The Children's Day Affair | 1965-12-10 | 60 min |
| Season 2 | Episode 13 | The Adriatic Express Affair | 1965-12-17 | 60 min |
| Season 2 | Episode 14 | The Yukon Affair | 1965-12-24 | 60 min |
| Season 2 | Episode 15 | The Very Important Zombie Affair | 1965-12-31 | 60 min |
| Season 2 | Episode 16 | The Dippy Blonde Affair | 1966-01-07 | 60 min |
| Season 2 | Episode 17 | The Deadly Goddess Affair | 1966-01-14 | 60 min |
| Season 2 | Episode 18 | The Birds and the Bees Affair | 1966-01-21 | 60 min |
| Season 2 | Episode 19 | The Waverly Ring Affair | 1966-01-28 | 60 min |
| Season 2 | Episode 20 | The Bridge of Lions Affair (1) | 1966-02-04 | 60 min |
| Season 2 | Episode 21 | The Bridge of Lions Affair (2) | 1966-02-11 | 60 min |
| Season 2 | Episode 22 | The Foreign Legion Affair | 1966-02-18 | 60 min |
| Season 2 | Episode 23 | The Moonglow Affair | 1966-02-25 | 60 min |
| Season 2 | Episode 24 | The Nowhere Affair | 1966-03-04 | 60 min |
| Season 2 | Episode 25 | The King of Diamonds Affair | 1966-03-11 | 60 min |
| Season 2 | Episode 26 | The Project Deephole Affair | 1966-03-18 | 60 min |
| Season 2 | Episode 27 | The Round Table Affair | 1966-03-25 | 60 min |
| Season 2 | Episode 28 | The Bat Cave Affair | 1966-04-01 | 60 min |
| Season 2 | Episode 29 | The Minus-X Affair | 1966-04-08 | 60 min |
| Season 2 | Episode 30 | The Indian Affairs Affair | 1966-04-15 | 60 min |
| Season 3 | Episode 1 | The Her Master's Voice Affair | 1966-09-16 | 60 min |
| Season 3 | Episode 2 | The Sort of Do-It-Yourself Dreadful Affair | 1966-09-23 | 60 min |
| Season 3 | Episode 3 | The Galatea Affair | 1966-09-30 | 60 min |
| Season 3 | Episode 4 | The Super-Colossal Affair | 1966-10-07 | 60 min |
| Season 3 | Episode 5 | The Monks of St. Thomas Affair | 1966-10-14 | 60 min |
| Season 3 | Episode 6 | The Pop Art Affair | 1966-10-21 | 60 min |
| Season 3 | Episode 7 | The Thor Affair | 1966-10-28 | 60 min |
| Season 3 | Episode 8 | The Candidate's Wife Affair | 1966-11-04 | 60 min |
| Season 3 | Episode 9 | The Come with Me to the Casbah Affair | 1966-11-11 | 60 min |
| Season 3 | Episode 10 | The Off Broadway Affair | 1966-11-18 | 60 min |
| Season 3 | Episode 11 | The Concrete Overcoat Affair (1) | 1966-11-25 | 60 min |
| Season 3 | Episode 12 | The Concrete Overcoat Affair (2) | 1966-12-02 | 60 min |
| Season 3 | Episode 13 | The Abominable Snowman Affair | 1966-12-09 | 60 min |
| Season 3 | Episode 14 | The My Friend, the Gorilla Affair | 1966-12-16 | 60 min |
| Season 3 | Episode 15 | The Jingle Bells Affair | 1966-12-23 | 60 min |
| Season 3 | Episode 16 | The Take Me to Your Leader Affair | 1966-12-30 | 60 min |
| Season 3 | Episode 17 | The Suburbia Affair | 1967-01-06 | 60 min |
| Season 3 | Episode 18 | The Deadly Smorgasbord Affair | 1967-01-13 | 60 min |
| Season 3 | Episode 19 | The Yo-Ho-Ho and a Bottle of Rum Affair | 1967-01-20 | 60 min |
| Season 3 | Episode 20 | The Napoleon's Tomb Affair | 1967-01-27 | 60 min |
| Season 3 | Episode 21 | The It's All Greek to Me Affair | 1967-02-03 | 60 min |
| Season 3 | Episode 22 | The Hula Doll Affair | 1967-02-17 | 60 min |
| Season 3 | Episode 23 | The Pieces of Fate Affair | 1967-02-24 | 60 min |
| Season 3 | Episode 24 | The Matterhorn Affair | 1967-03-03 | 60 min |
| Season 3 | Episode 25 | The Hot Number Affair | 1967-03-10 | 60 min |
| Season 3 | Episode 26 | The When in Roma Affair | 1967-03-17 | 60 min |
| Season 3 | Episode 27 | The Apple a Day Affair | 1967-03-24 | 60 min |
| Season 3 | Episode 28 | The Five Daughters Affair (1) | 1967-03-31 | 60 min |
| Season 3 | Episode 29 | The Five Daughters Affair (2) | 1967-04-07 | 60 min |
| Season 3 | Episode 30 | The Cap and Gown Affair | 1967-04-14 | 60 min |
| Season 4 | Episode 1 | The Summit-Five Affair | 1967-09-11 | 60 min |
| Season 4 | Episode 2 | The Test Tube Killer Affair | 1967-09-18 | 60 min |
| Season 4 | Episode 3 | The 'J' for Judas Affair | 1967-09-25 | 60 min |
| Season 4 | Episode 4 | The Prince of Darkness Affair: Part I | 1967-10-02 | 60 min |
| Season 4 | Episode 5 | The Prince of Darkness Affair: Part II | 1967-10-09 | 60 min |
| Season 4 | Episode 6 | The Master's Touch Affair | 1967-10-16 | 60 min |
| Season 4 | Episode 7 | The Thrush Roulette Affair | 1967-10-23 | 60 min |
| Season 4 | Episode 8 | The Deadly Quest Affair | 1967-10-30 | 60 min |
| Season 4 | Episode 9 | The Fiery Angel Affair | 1967-11-06 | 60 min |
| Season 4 | Episode 10 | The Survival School Affair | 1967-11-20 | 60 min |
| Season 4 | Episode 11 | The Gurnius Affair | 1967-11-27 | 60 min |
| Season 4 | Episode 12 | The Man from Thrush Affair | 1967-12-04 | 60 min |
| Season 4 | Episode 13 | The Maze Affair | 1967-12-18 | 60 min |
| Season 4 | Episode 14 | The Deep Six Affair | 1967-12-25 | 60 min |
| Season 4 | Episode 15 | The Seven Wonders of the World Affair (1) | 1968-01-08 | 60 min |
| Season 4 | Episode 16 | The Seven Wonders of the World Affair (2) | 1968-01-15 | 60 min |
