Here for the first time the "L word" is in the title and, even more notably, for the first time there's a full frontal nude of one of the main cast (Daniel Sea) in the teaser.
At Phyllis' dinner party, Leonard tells Alice that one of his daughters, Molly, attends Vassar College. Vassar College is the alma mater of Erin Daniels, a former actress on The L Word.
Jenny's article Lez Girls angers her friends since it's negative and based on them: The term for this is "You Can't Go Home Again", based on a famous Thomas Wolfe novel about a fictional author with the same problem.
Jenny promises Alice she'd buy her "Starbucks for a week" but the group only gets their coffee at Kit's place, and one season two episode shows how much they don't like corporation coffee like Starbucks.