Austin joins the school glee club, but a disagreement with Ally threatens to split the glee club apart.
Austin's tour takes the gang to Washington, D.C., where Austin is to perform for the president, but not before they get into trouble at the Smithsonian Museum.
Urkel's visiting hip-hop cousin, O.G.D., makes a bad first impression on the Winslows—hitting on Laura, spouting controversial ideas, and influencing 3J in a decidedly negative fashion. Meanwhile, a crooked thug who is owed $4,000 by O.G.D. arrives in town looking to collect on the debt.moreless