Gretchen and Lindsay talk in the car in pilot episode.
From episode 1x02 "Insouciance".
Edgar hugs some animals while the gang is hanging out at a petting zoo in episode 1x05 "Sunday Funday".
Jimmy meets with a pair of executives about writing tie-in novels in episode 2x05 "We Can Do Better Than This".
Gretchen, Edgar, and Jimmy perform a Biggie Seance at a museum during their Sunday Funday in episode 2x08 "Spooky Sunday Funday".