At this point, an endless parade of brands is dabbling in craft beer collaborations.But few companies have been as aggressive in their beer collab-ing ways as Dunkin'.The donut and coffee chain found a lasting partner in 2018 when they found Massachusetts-based Harpoon Brewing. .That year, the two brands released their Dunkin' Coffee Porter, and in 2019, Harpoon Dunkin Summer Coffee Pale Ale.Now, for the 2020 fall season, Harpoon and Dunkin' are releasing a more expansive lineup of four beers.Harpoon and Dunkin' are bringing back their popular Coffee Porter for the third consecutive year.And it arrives alongside a trio of new creations: Harpoon Dunkin' Pumpkin, Harpoon Dunkin' Boston Kreme, and Harpoon Dunkin' Jelly Donut. .After more than two years and three seasons of collaborating with the Dunkin' team, our fans have come to expect a delicious fall beer from us, but we wanted to give them something extra special this year, Dan Kenary, CEO and co-founder of Harpoon