Suspension of disbelief

Were there any episodes that really tested your willingness to suspend your tolerance of disbelief, even for an 80s/90s sitcom? For me it was the episode where it's implied at the end that Bob Hope might really be Rose's father, and the one where the president was stopping by their house. I understand they just wanted to do a clip show, but really? The President of the United States chose a random home in Miami, Florida based on...??