| Episode Name | Episode Number |
| The Nightmare Begins | 01 |
| Bestest Friend | 02a |
| Dark Harvest | 02b |
| Parent Teacher Night | 03a |
| Walk of Doom | 03b |
| Germs | 04a |
| NanoZim | 04b |
| Attack of the Saucer Morons | 05a |
| The Wettening | 05b |
| Career Day | 06a |
| Battle-Dib | 06b |
| A Room with a Moose | 07a |
| Hamstergeddon | 07b |
| Invasion of the Idiot Dog Brain | 08a |
| Bad, Bad Rubber Piggy | 08b |
| Planet Jackers | 09a |
| Rise of Zitboy | 09b |
| Plague of Babies | 10a |
| Bloaty's Pizza Hog | 10b |
| Door to Door | 11a |
| FBI Warning of Doom | 11b |
| Bolognius Maximus | 12a |
| 12b | |
| Battle of the Planets | 13 |
| Mysterious Mysteries | 14a |
| Future Dib | 14b |
| Hobo 13 | 15a |
| Walk for your Lives | 15b |
| Halloween Spectacular of Spooky Doom | 16 |
| Megadoomer | 17a |
| Lice | 17b |
| Abducted | 18a |
| The Sad, Sad Tale of Chickenfoot | 18b |
| GIR Goes Crazy and Stuff | 19a |
| Dibs Wonderful Life of Doom | 19b |
| TAK: The Hideous New Girl | 20 |
| 21 |