In Brooklyn Nine-Nine season 6 episode 5, Doug Judy returned and teamed up with Jake and Terry, while the rest of the Nine-Nine fought to keep their bar.
In the previous episode of NBC’s Brooklyn Nine-Nine, Gina said goodbye to the Nine-Nine.
While Jake sang an ode to Doug Judy, Doug was at the back enjoying the song.
Terry heard that Doug Judy was back to stealing cars, but Jake was sure he had changed.