The glass windows at the restaurant switch from lettering that reads "Nellie's" to "Caroline's" and back several times.
During the church service, both Michael Landon (Charles Ingalls) and the child actress playing Grace Ingalls look directly into the camera as it moves past them towards the back of the room.
Caroline's dress at the gallery exhibition is made from the same floral calico material as the dress worn by adoptive mother Mrs Rooney in the previous episode.
Annie knows how to paint landscapes accurately because she went blind only as a toddler. But the portrait she paints of herself and her birth mother at the end is impossible: she has no idea what her birth mother looked like many years later, and no idea what she herself grew up to look like.