Character mistake: In this episode, Raymond says that after three times of proposing to Debra, she said no, and he didn't give up. However, in "The Pilot", Raymond says that the third time he proposed, she said yes.
Character mistake: When Deborah wants to show Raymond's newspaper article to Frank, she calls him "Ray" instead of Frank.
Character mistake: Debra says The Car broke down when it was pouring rain, but all the exterior shots show snow on the ground.
Character mistake: In every episode, whenever Robert eats, he always touches his food with his chin first before he eats it, but when he took a cookie that Marie cooked for Raymond, there was no 'touching the chin'.