Baby Stewie
| Episode Number | 15 |
|---|---|
| Season | 18 |
| Aired | 2020-03-15 |
| Overview | Stewie builds a DNA-altering machine that will allow him to remain smart forever, but the invention has the adverse effect and he instead transforms into what he should have always been - an actual baby. |
| Runtime | 20 minutes |
| Absolute Number | 344 |
| Finale Type |