Mrs. Doubtfire: I hope you don't mind me being a tad rude, but... How was he? You know, on a scale of 1 to 10?
Miranda: Well, that part was always... Okay.
Mrs. Doubtfire: Just okay? Well, he was probably a Casanova compared to poor old Winston.
Miranda: What was the matter with Winston?
Mrs. Doubtfire: Oh dear, Winston's idea of foreplay was "Effie, brace yourself."
When Mrs. Doubtfire is cooking in the kitchen, sets her fake breasts on fire, then hits them with the pan lids to put them out, you can see the camera crew in the reflection of one of the pan lids.
The newspaper that contains the words 'Doubt Fire' was the same newspaper used on the first episode of Charmed.