At 10:10 into it when Moe, as the girls father shoots The Three Stooges in the rear-end after they've tripped over the bench, he says "I gotcha rat. Now, take that!" but his lips do not move at all.
When the Stooges are reassuring the girls that their father will love them, Larry pluralizes "son-in-law" incorrectly; it's "sons-in-law", not "son-in-laws".