Alewife NYC is offering all-you-can-eat oysters and unlimited beer tastings. The event is being offered in two sessions Saturday, from 12 to 3 p.m. or from 5 to 8 p.m. Tickets cost $65. The raw bar will inlcude more than 25 varieties of oysters, and available beers include cask ales, Oktoberfest and pumpkin brews.