Per Entertainment Weekly, Oswalt will play "Fire Marshal Boone" in an episode slated to air later this year. Expect for this scenario reveald by the site:
Det. Jake Peralta (Andy Samberg) investigates a suspicious fire and winds up crossing paths and butting heads with Boone. As it turns out, the two have a history of not enjoying each other.
'Brooklyn Nine-Nine' airs every Tuesday at 8:30pm on FOX.