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.
Family Guy — Season 18 Episodes (20)
EP 1
E1
EP 2
E2
EP 3
E3
EP 4
E4
EP 5
E5
EP 6
E6
EP 7
E7
EP 8
E8
EP 9
E9
EP 10
E10
EP 11
E11
EP 12
E12
EP 13
E13
EP 14
E14
EP 15
E15
EP 16
E16
EP 17
E17
EP 18
E18
EP 19
E19
EP 20
E20
Other Seasons
Season 1 · 9 epSeason 2 · 21 epSeason 3 · 22 epSeason 4 · 30 epSeason 5 · 18 epSeason 6 · 12 epSeason 7 · 16 epSeason 8 · 21 epSeason 9 · 17 epSeason 10 · 23 epSeason 11 · 22 epSeason 12 · 21 epSeason 13 · 19 epSeason 14 · 20 epSeason 15 · 20 epSeason 16 · 20 epSeason 17 · 20 epSeason 19 · 20 epSeason 20 · 20 epSeason 21 · 20 epSeason 22 · 15 epSeason 23 · 18 epSeason 24 · 15 ep
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