The Smurfs 2 creations, evil Smurf-like creatures called the Naughties, named Vexy and Hackus, Gargamel plans on opening a portal to the Smurf village by using the Eiffel Tower as a conduit so that he can kidnap Smurfette and, through her, get Papa Smurf's secret formula for creating Smurfs. However, as the portal he created is not big enough for him to go through, Gargamel sends Vexy through to the portal to grab Smurfette and bring her to Paris. The Smurfs witness the abduction of Smurfette and inform Papa Smurf, who uses his magic to create crystals that allow several of his Smurfs
The Smurfs: The Legend of Smurfy Hollow job of creating the bookends for "Smurfy Hollow". Effectively creating a transition from the live-action / CG Smurf movies that most people know nowadays to the traditionally animated home premiere that we were trying to make here. And given the extremely short production schedule on this project -- we did this whole thing in less than a year, with the CG elements being produced during whatever downtime we had on Smurfs 2 -- it's a real tribute to the artists and technicians who work at Sony Pictures Animation that this holiday special turned out as well at it did." He