Continuity mistake: When Bugs pours red ink on Sam's head, he leaves the bottle on its side and there is a label saying "Ink" on it. In the next shot, the word "Ink" has disappeared.
Trivia: This is the first Warner Brothers cartoon to use a shorter version of the "Merrily We Roll Along" music, and the first to credit all of the animators and use a "Direction" credit.
Yosemite Sam: Be you the mean hombre that's a-hankerin' for a heap of trouble, stranger? Well, be ya?
Bugs Bunny: I be.