At approximately :36, as Derek enters the shop, Audrey lays the pocket watch she is holding down onto the counter top of the display case. After he leaves a few minutes later, she retrieves the pocket watch from a closed drawer rather than the counter top where she originally had left it.
At 43:18 when Cassie is walking into her shop, the shop has been closed and locked with no one inside, yet the candles on the counter behind her are freshly lit.
The name of the coffee shop, The Esspresso Cafe, is misspelled. Espresso is spelled with only three s's, not four.
Audrey was looking at a necklace in the shop with pink gemstones and Cassie said it was merlinite quartz. Merlinite is white and black, not pink.
They say that it was because of the smell of cinnamon in Brandon's cookies that they met. But in The Good Witch Charm movie, Cassie tells Brandon to warm up the cookies to bring out the cardamom .