“"When Worlds Collide" is the first episode of the first season of The New Adventures with Finn... When Worlds Collide “Season 1 Title card Title Viewers (in millions) Prod. code Airdate When Worlds Collide 2.50... List of Episodes Pages in category "Episodes" The following 3 pages are in this category, out of 3 total. E Template:EpisodeL List of EpisodesW When Worlds Collide Retrieved from "http://thenewadventurtime.wikia.com/wiki/Category:Episodes"