In season 14 finale, Katie was 11 turning 12, but the actress portraying her looked about 8. Now through the rapid-aging-syndrome of TV, Katie is played by a different actress who is 13 in real life and looks 15-16.
Lisa's hair is strawberry blonde with bangs.
No farm family of 8 buys milk in quart size containers.
Katie and Parker are doing CPR incorrectly. It must be done on a hard surface, not a couch.
The horse playing Platinum Bow is underweight with ribs visible.