Lilo & Stitch: The Series Season 2 Episode 12 Belle ( Air Date 2005-06-03 ) Genre Animation, Family, Comedy, Action & Adventure, Sci-Fi & Fantasy, Kids category. Overview "Experiment 248: BELLE While out trying to prove the existence of the Night Marchers (an ancient Hawaiian legend), Lilo, Mertle, Stitch, Jumba, and Pleakley tell each other scary stories. Meanwhile an experiment 248, later known as Belle, is being chased by Gantu.".