When Cindy says "doesn't anyone around here give me any credit for knowing what I'm doing?" Jack responds with "well you keep bumping into things!" This makes Joyce DeWitt [Janet] break character and bust out laughing...but she's covers it up by burying her head in her hands and bending over. Jenilee Harrison [Cindy) glances at Joyce and almost laughs herself, but she holds it in and continues with her dialog.