S2, E16: Lilo takes on Mertle's bet to prove the existence of the island's Night Marchers. The screams in the night instead turn out to be `Screamer', aka Experiment 248.

S2, E16: Lilo takes on Mertle's bet to prove the existence of the island's Night Marchers. The screams in the night instead turn out to be `Screamer', aka Experiment 248.