In Meet Dave , while the FBI is wrestling the body , Dave 's crew evacuates to one of the ship 's shoes and actives the lifeboat engine , and the rest of the ship leaves Earth .
While the FBI wrestle the body down , `` Dave 's '' crew evacuate to one of the ships shoes , activates the life-boats engine , Detache the shoe from , the rest of the ship/body to leave Earth .
Meet Dave