Jayden Lund

It's flu season and Cloud 9 is flooded with shoppers looking to get vaccinated. When Jonah (Ben Feldman) offers to help out in the store pharmacy, he is tasked with administering flu shots, resulting in his most stressful day yet. Elsewhere, Glenn (Mark McKinney) needs an employee to put on a sombrero and hand out samples of the new store salsa and conspicuously looks to Amy (America Ferrera) and the one other Hispanic employee Carmen (Grace Parra) to do it. Both of these series of events lead to an impromptu diversity seminar for the staff.

When Ted pulls an all-nighter working on a pitch in an attempt to bring business to his fledgling architecture firm, Marshall tries to lure him to the roof for a surprise 31st birthday party.

When Ted is in an accident, he re-evaluates his life and relationship with Stella.

When Doug reluctantly goes to join an over eaters support group, he spots an abusive relationship group down the hall that serves donuts and potato chips and joins their meeting instead. Noticing that Doug seems to be gaining weight, Carrie stops by the meeting one night, and discovers that Doug and his new, brow-beaten friends are blaming her for his overeating.

A stampede at a comic book convention leads to an influx of colorful characters in the ER; Mark continues to make life difficult for Jackson.