 At Pam's art show, the pieces which she was supposed to have painted did not suit Whedon; he explained, "I got to the set and saw Pam's art, and I was like, 'This is not right.Whedon said that he held up filming for more than an hour until the staff was able create new pieces of art.For the scenes which involved filming with a bat, the production team used an actual bat, an animated bat, and a mechanical bat.