X-Men: Evolution (2000)- Season 2, Ep. 13
"Shadow Dance": The Bayville High Sadie Hawkins dance arrives, and everybody is scrambling for dates. Jean is highly jealous of Scott's date. In the meanwhile, Forge constructs a device which augments Nightcrawler's teleportation, but is unaware that vicious monsters from Kurt's bamf dimension will now be able to enter Earth.