After a whirlwind 36 hours back in May, as they were cancelled by FOX then saved by NBC, the cast of Brooklyn Nine-Nine have reunited to begin filming their sixth season. WARNING: SPOILERS AHEAD! Brooklyn Nine-Nine centres around the fictional 99th Precinct in New York and the detectives who work there; Jake Peralta, Amy Santiago, Rosa Diaz, Charles Boyle, Terry Jeffords, Captain Raymond Holt, Hitchcock and