Continuity mistake: When Nancy starts her maid job at the hotel she enters a room with a wig looking around at all the mess. When the shot changes to her going to the restroom lifting the toilet lid she has no wig on, then when the shot switches back she has her wig back on.
Weeds (2005)
1 mistake in A Yippity Sippity - chronological order
Starring: Mary-Louise Parker, Kevin Nealon, Alexander Gould, Hunter Parrish
Nancy Botwin: Foul! Ref, what's the matter with your whistle?
Celia Hodes: Well, technically, Nancy, Ref can't call a foul. Shane was kicked by his own teammates.
Question: How is it that Stevie is so old when Nancy gets out of prison? He was an infant when she went in and she did 3 years.
Answer: It's not uncommon for TV shows to suddenly "age up" baby/toddler characters in order for them to have more narrative purpose. Other examples of shows I can think of that did this are "Step by Step," "Last Man Standing," "Boy Meets World," and possibly "Dexter."
Phaneron