In the episode, The Grass is always greener, Mike and Carol switch places with the kids to show the other person how hard it is. After the family has eaten dinner and the kids have left, Carol goes to get up and calls Alice for help. As she gets up, her napkin is tucked into her belt. She gets up and takes a step, napkin in belt. Camera goes to Mike getting up from his chair and back to Carol a second later. When the camera goes back to Carol, her napkin is no longer in her belt but placed on the table on her plate.