Oscar winner Patty Duke and Emmy-nominated Meredith Baxter will guest star on the Fox series, Deadline has confirmed. The duo are set to play a lesbian couple in Glee‘s season finale, as first reported by E!. The show last week took on the ripped from the headlines hot button issue of school shootings, which boosted ratings 20% from the previous original episode in its fourth season.

Related: ‘Glee’ School Shooting Episode Stokes Debate, Anger By Some Newtown Families

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