| Title | Season | Episode # | First Aired |
|---|---|---|---|
| Beau Tie | 4 | 185 | Friday November 22, 2002 |
| Remember Me? | 4 | 186 | Friday November 22, 2002 |
| Overlabbing | 4 | 187 | Friday November 22, 2002 |
| Sis-Tem Error | 4 | 188 | Friday April 25, 2003 |
| Bad Cable Manners | 4 | 189 | Friday April 25, 2003 |
| Dexter's Library | 4 | 190 | Friday April 25, 2003 |
| The Scrying Game | 4 | 191 | Friday May 2, 2003 |
| Monstrosi-DeeDee | 4 | 192 | Friday May 2, 2003 |
| Dad Man Walking | 4 | 193 | Friday May 2, 2003 |
| Dexter's Little Dilemma | 4 | 194 | Friday May 9, 2003 |
| Faux Chapeau | 4 | 195 | Friday May 9, 2003 |
| 196 | 4 | 196 | Friday May 9, 2003 |
| Head Band | 4 | 197 | Friday May 16, 2003 |
| Stuffed Animal House | 4 | 198 | Friday May 16, 2003 |
| Used Ink | 4 | 199 | Friday May 16, 2003 |
| School Girl Crushed | 4 | 200 | Friday May 23, 2003 |
| Chess Mom | 4 | 201 | Friday May 23, 2003 |
| Father Knows Least | 4 | 202 | Friday May 23, 2003 |
| Dexter the Barbarian | 4 | 203 | Friday May 30, 2003 |
| Tuber Time | 4 | 204 | Friday May 30, 2003 |
| Sore Eyes | 4 | 205 | Friday May 30, 2003 |
| Babe Sitter | 4 | 206 | Friday September 5, 2003 |
| Mountain Mandark | 4 | 207 | Friday September 5, 2003 |
| 2-Geniuses 2-Gether = 4-Ever | 4 | 208 | Friday September 5, 2003 |
| Height Unseen | 4 | 209 | Friday September 12, 2003 |
| Bygone Errors | 4 | 210 | Friday September 12, 2003 |
| Folly Calls | 4 | 211 | Friday September 12, 2003 |
| Voice Over | 4 | 212 | Friday September 19, 2003 |
| Blonde Leading the Blonde | 4 | 213 | Friday September 19, 2003 |
| Comic Stripper | 4 | 214 | Friday September 19, 2003 |
| The Lab of Tomorrow | 4 | 215 | Tuesday November 4, 2003 |
| Poetic Injustice | 4 | 216 | Thursday November 20, 2003 |
| Comedy of Feathers | 4 | 217 | Thursday November 20, 2003 |
| They Got Chops | 4 | 218 | Thursday November 20, 2003 |
| Tee Party | 4 | 219 | Friday September 26, 2003 |
| Dexter's Wacky Races | 4 | 220 | Friday September 26, 2003 |
| Garage Sale | 4 | 221 | Tuesday November 4, 2003 |