The back wall of the kitchen which has always had cabinets and the stove running in front of them (both before this show, and after), is completely bare. No cabinets, no stove.
In the episode "Lovers Lane" S1E6 Crystal asks Dan what size shoe he wears. He responds "11". She makes a comment on how common that shoe size is. In this episode when the shoe salesman asks Dan what size shoe he needs he responds "13D".
When returning from the mall, Becky hangs her coat and purse on the empty coat rack by the door, using the second peg from the left, and heads for the kitchen. When Dan walks in a few seconds later, Becky's coat and purse are now hanging from the third peg from the left, and Dan hangs his hat on the second peg. At the end of this scene, Becky's coat and purse are back on the second peg, and Dan's hat is on the third peg.