Emmet finds a Mogwai (a pre evolved Gremlin) and tells everyone to come over. But there are rules to taking care of a Mogwai. 1.Don't get it wet. 2.Don't feed it at midnight. 3.Don't put it near sunlight. Patrick spills water and the Mogwai turns into a gremlin.The next morning,more Gremlins wreck the place and the leader,Spike,makes a deal with Luciano,Bowser,Polygon Man and the Network Head to rule the universe.The Nicktoons,Axis Powers,Cereal Mascots,Team Copacabana,Team Miku,SSBB Characters and the SOS Brigade to kill of all the Gremlins.