| No. | Episode | Locale | Season | Prod. | Prod. Code |
| 1 | The Long Goodbye Syndrome | English | 1 | | |
| 2 | The Buzzard Syndrome | English | 1 | | |
| 3 | The Irritable Bow-Wow Syndrome | English | 1 | | |
| 4 | The Alpha Syndrome | English | 1 | | |
| 5 | The Undercover Syndrome | English | 1 | | |
| 6 | The Neuralyzer Syndrome | English | 1 | | |
| 7 | The Symbiote Syndrome | English | 1 | | |
| 8 | The Inanimate Syndrome | English | 1 | | |
| 9 | The Psychic Link Syndrome | English | 1 | | |
| 10 | The Head Trip Syndrome | English | 1 | | |
| 11 | The Elle of My Dreams Syndrome | English | 1 | | |
| 12 | The I Married an Alien Syndrome | English | 1 | | |
| 13 | The Take No Prisoners Syndrome | English | 1 | | |
| 14 | The Little Big Man Syndrome | English | 2 | | |
| 15 | The Quick Clone Syndrome | English | 2 | | |
| 16 | The Heads You Lose Syndrome | English | 2 | | |
| 17 | The Dog Eat Dog Syndrome | English | 2 | | |
| 18 | The Big Bad Bug Syndrome | English | 2 | | |
| 19 | The Jack O'Lantern Syndrome | English | 2 | | |
| 20 | The Sonic Boom Syndrome | English | 2 | | |
| 21 | The Bad Seed Syndrome | English | 2 | | |
| 22 | The Fmall, Fmall World Syndrome | English | 2 | | |
| 23 | The Black Christmas Syndrome | English | 2 | | |
| 24 | The Supermen in Black Syndrome | English | 2 | | |
| 25 | The Star System Syndrome | English | 2 | | |
| 26 | The Blackguard Syndrome | English | 2 | | |
| 27 | The Worm-Guy Guy Syndrome | English | 3 | | |
| 28 | The Cold Sweat Syndrome | English | 3 | | |
| 29 | The Puppy Love Syndrome | English | 3 | | |
| 30 | The Lost Continent Syndrome | English | 3 | | |
| 31 | The Way Out West Syndrome | English | 3 | | |
| 32 | The Mine, Mine, Mine Syndrome | English | 3 | | |
| 33 | The Bye-Bye Worm Syndrome | English | 3 | | |
| 34 | The Lights Out Syndrome | English | 3 | | |
| 35 | The Out to Pasture Syndrome | English | 3 | | |
| 36 | The Sardines and Ice Cream Syndrome | English | 3 | | |
| 37 | The I Want My Mummy Syndrome | English | 3 | | |
| 38 | The Baby Kay Syndrome | English | 3 | | |
| 39 | The Bad Doggie Syndrome | English | 3 | | |
| 40 | The "J" is for James Syndrome | English | 3 | | |
| 41 | The Musical Chairs Syndrome | English | 4 | | |
| 42 | The Spectacle Syndrome | English | 4 | | |
| 43 | The Back to School Syndrome | English | 4 | | |
| 44 | The Opening Gambit Syndrome | English | 4 | | |
| 45 | The Future's So Bright Syndrome | English | 4 | | |
| 46 | The Loose Ball Foul Syndrome | English | 4 | | |
| 47 | The Hots for Jay Syndrome | English | 4 | | |
| 48 | The Circus Parade Syndrome | English | 4 | | |
| 49 | The Virtual Crossfire Syndrome | English | 4 | | |
| 50 | The Breaking News Syndrome | English | 4 | | |
| 51 | The Zero to Superhero Syndrome | English | 4 | | |
| 52 | The Endgame Syndrome: Episode 1 | English | 4 | | |
| 53 | The Endgame Syndrome: Episode 2 | English | 4 | | |