The hamster that played "Horace Pinker" belongs to director of photography Will Barratt.
The various bathtub scenes with Adam and Joe were broken up over four separate shooting days due to scheduling all of the various guest stars who have moments in the bathroom with them. Both actors have cited the bathtub scenes as the most uncomfortable and humiliating moments for them in the first season.
The Cumberland Farms patron who tries to make a "not so fresh" joke to Corri and gets verbally torn apart by her is actually one of the crew production assistants, Charlie Corella.
Adam Green worked at Market Basket in real life while making his way through college.
The creepy bearded guy who rises up from behind the shelves in Cumberland Farms and smiles at the girls when the clerk announces their feminine wash purchase over the loud speaker is Adam Green's assistant on the first season, Nolan Dunbar.