Continuity: The same kitchen door that led to a rather spacious laundry room in "Double, Double, Toil And Trouble" (season 4) now leads to an ordinary utility closet.
Continuity: The minute hand on the teakettle clock is between the 6 and the 7 when it's shown behind Samantha. When she goes to the closet, the clock reads 8:15 (minute hand on the 3). When she returns, the minute hand is between the 6 and the 7 again.