sentences:  With his mission complete, J returns to 2012, where he reconciles with K, who tells him the Boglodites have been extinct for forty years while J implies his new knowledge of the secret K has been hiding to protect him.Griffin observes this, and says it is his new favorite moment in human history.Justin Bieber, Lady Gaga, Yao Ming and Tim Burton make uncredited cameo appearances as aliens on the TV monitors.