Jackie has to stay in her room during Fez's date with Caroline. Later, she insists on going to the bathroom. However, her room is the one with the bathroom, over which Kelso and Fez were formerly arguing.
In the opening scene, the washing machine is off-balance and creating quite a ruckus. When Kitty adjusts the clothes to balance the load, you can see that the clothes are obviously dry.
When Fez skates and bumps into the house of cards that Jackie had just built, most of it falls apart. But, several cards remain in a vertical position, indicating that it had been held together with tape.