On the final round when the Ryan and Scotto family house shows its light display, the competitor's house is alternately dark and then lit up.
At the daily 6pm cut-off for the competition, the sky is appropriately dark, except for one day, where is broad daylight.
At approximately 16:50 Wendy mentions the number of prelim qualifiers for the Bright Night Contest and says 4 but her mouth actually forms "Five."