Night Spies

S1 E4: Nicole is devastated to miss Jerry’s first sleep-out in the tree house (she is catching a cold) so her brother teaches her flashlight signals. But while Jerry is inside showing Nicole how, the Raiders spot spies silently flying around the tree house, blinking signals to each other, obviously planning an invasion. Raiders to the Rescue! The sleep-out is ruined as Jerry and the Raiders try to capture the invaders. Finally under a magnifying glass, they discover the magic of fireflies. But by then everyone (but Bakko) falls asleep.