Baby Shower - S2-E15
Factual error: The majority of the babies that come out are far far too clean. This is particularly noticeable with the 2 twins, where the second one has nothing cleaned off it when it's presented to his mother.
Baby Shower - S2-E15
Continuity mistake: At the beginning of the show, Peter is scraping the ice off his windshield, but the scraped pattern we see from inside the car is different from the pattern outside. When the car won't start, he gets out, and more of the windshield has been scraped in the meantime.
Answer: Take care of your dad.