The Monster's Inc. Laugh Floor debuted a new pre-show today. It seems Disney is still tweaking this show to find the perfect equilibrium for the guests. While I haven't seen the show yet, I've heard this show has greatly improved since opening day because Disney Imagineering is keen on perfection.
TomorrowlandTyler over at WDWMagic writes in to say (WARNING: Spoiler Below),This story is from MiceChat partner site, Disney Reporter.Spoiler