Barry (Troy Gentile) crosses the line when he sings his and Geoff's (Sam Lerner) ironic karaoke song with Geoff's sister, Joanne (guest star Beth Triffon). Meanwhile, Murray (Jeff Garlin) shows up in Virginia to stop Adam (Sean Giambrone) from being led astray by Beverly's (Wendi McLendon-Covey) insecurities. Watch 'The Goldbergs' on ABC and Hulu, streaming and on demand.