I'm going to start a watch series for the seminal series Secret Agent (US) / Danger Man (UK, starring Patrick McGoohan. Are you in?
Brooklyn Nine-Nine: USPIS Rewatch Season 2, Ep 8
When Diaz's task force uncovers evidence of a postal service connection to Giggle Pig distribution, Peralta and Boyle must seek the aid of: JACK DANGER*, AGENT OF USPIS (guest star Ed Helms). Meanwhile, Santiago tries to quit smoking cold turkey, with advice from the rest of the Nine-Nine. *(pron. "donger") [more inside]