
Season 18, episode 15
Baby Stewie
- 22 min
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.

Season 18, episode 15
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.