The twist reveals Lily’s comment wasn't about Tom's identity, but rather his mockery of the outdated mural in her room. : Alex returns home with a case of mononucleosis (mono).

is the second episode of the eighth season of Modern Family , which first aired on September 28, 2016. The episode is notable for featuring Jackson Millarker , an 8-year-old transgender child actor, marking a significant first for the series in its exploration of gender identity. Core Storylines

The rest of the family uses her illness to their advantage: uses Alex to deliver bad news to coworkers, Luke tries to steal her schoolwork, and Phil treats her like a therapy dog after a traumatic experience being trapped in a closet for 18 hours.

The episode weaves together three main narrative threads centered on misunderstandings and the subversion of family roles: :

However, after they overhear Lily calling Tom a "weirdo," they immediately assume she is being judgmental and spend the episode trying to teach her tolerance.