The plot lines about the lady hitting someone with her car and then driving with his body through the windshield and the family with the children locked in their basement are both based on real life events (the "windshield murder trial" and the "Turpin family", respectively).
Crows vs. Kids...a nod to the Hitchcock movie "The Birds". Although this episode occurred in a Halloween maze, they placed gym bars for children just like in the movie "The Birds".